How many solutions does the equation have?
4(2x+3)=2(3x-4)
A.
one solution
B.
infinite solutions
C.
no solution
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OpenStudy (anonymous):
@Destinymasha
OpenStudy (stefrheart):
Have you distributed both equations?
OpenStudy (anonymous):
wouldn't it be A.? i was stuck
OpenStudy (anonymous):
It's not C.
OpenStudy (anonymous):
:O
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OpenStudy (stefrheart):
Honestly just solve
4(2x+3)=2(3x-4)
distribute the 4 and 2
8x+12=6x-8
subtract the 6 on both sides
2x+12=-8
subtract the 12 on both sides
2x=-20
divide the 2
x=-10
so is that one solution? infinite many? or no solutions?
OpenStudy (anonymous):
im trying to figure that out atm
OpenStudy (stefrheart):
Well did we come out with x as one number? multiple numbers? or no answer?
OpenStudy (anonymous):
i trying to find out if its A B or C
OpenStudy (stefrheart):
It should be A since there is only one x
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OpenStudy (wolf1728):
4wshhs - COUNT how many numbers x equals - look at what stefrheart's answer says
OpenStudy (stefrheart):
Thanks @wolf1728
OpenStudy (wolf1728):
just thought I'd type a little something :-)
OpenStudy (anonymous):
XD
OpenStudy (stefrheart):
Hahahahaahhaha!! I was trying to put it very detailed but i love your response!
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OpenStudy (anonymous):
so its B ?
OpenStudy (stefrheart):
... we just discussed this
its A
OpenStudy (anonymous):
i did say A
OpenStudy (stefrheart):
ONE solution
OpenStudy (stefrheart):
you put b.. just now
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OpenStudy (anonymous):
lol my bad sorry
OpenStudy (anonymous):
can u help me with another one?
OpenStudy (stefrheart):
Its okay :) Sure!
OpenStudy (wolf1728):
okay - guess I'll drop out
OpenStudy (anonymous):
thx wolf! :)
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OpenStudy (anonymous):
Which expressions would complete this equation so that it has infinitely many solutions?
8 + 2(8x – 6) =
Choose exactly two answers that are correct.
A.
2(4x + 7)
B.
9x – 10
C.
16x – 4
D.
4(4x – 1)
OpenStudy (stefrheart):
Are you sure? @wolf1728
OpenStudy (anonymous):
we might need your help :P
OpenStudy (stefrheart):
First start with simplifying the first equation
OpenStudy (stefrheart):
So what is it?
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OpenStudy (anonymous):
sorry went to RR
OpenStudy (anonymous):
but im back :)
OpenStudy (anonymous):
u there @stefrheart
OpenStudy (anonymous):
i think this one is C and D honestly
OpenStudy (stefrheart):
Sorry i was studying for Chem
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OpenStudy (stefrheart):
You are correct! It says chose 2 answers and C and D are correct!!! :D
OpenStudy (anonymous):
lol :D
OpenStudy (stefrheart):
Lol! Good job!
OpenStudy (anonymous):
hat grade u in ?
OpenStudy (anonymous):
what
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OpenStudy (stefrheart):
Im a sophomore. You?
OpenStudy (anonymous):
9 :O
OpenStudy (anonymous):
9th
OpenStudy (stefrheart):
OH cool! Your a freshie!
OpenStudy (anonymous):
yup :D
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OpenStudy (anonymous):
k stay in this room so when i need you i can message u k :DD
OpenStudy (stefrheart):
Hahahahaha!!
OpenStudy (anonymous):
lol i dont want to fail this test!
OpenStudy (stefrheart):
I know how you feel! What are you taking?
OpenStudy (anonymous):
Math atm
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OpenStudy (anonymous):
How many solutions does the equation have?
3(4x-3)-7x=5x-9
A.
one solution
B.
infinite solutions
C.
no solution
OpenStudy (anonymous):
k for this one im not sure on :D
OpenStudy (anonymous):
i was saying A at one point
OpenStudy (stefrheart):
Hahaha i know math but what kind?
OpenStudy (stefrheart):
Its definitely not A
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OpenStudy (anonymous):
ooh algebra lol
OpenStudy (anonymous):
haha i said no to A to o
OpenStudy (stefrheart):
Oh i was confused on what you said and im in Adv. Alg. 2
Now what was your simplified versions of the 2 equations?
OpenStudy (anonymous):
it seems like they are all real numbers
OpenStudy (anonymous):
so C no?
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OpenStudy (stefrheart):
If it is all real numbers it would be infinite solutions right?
OpenStudy (anonymous):
im not sure im learning from you :DD
OpenStudy (anonymous):
wait maybe it is B honestly
OpenStudy (anonymous):
I think its B
OpenStudy (stefrheart):
Lol have you not studied it before? And yes it is B infinite solutions
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OpenStudy (anonymous):
lol nope just got this homework today
OpenStudy (stefrheart):
Oh did your teacher teach this?
OpenStudy (anonymous):
lol im trying to work it out before i ask you :D
OpenStudy (anonymous):
im home schooled XD this
OpenStudy (anonymous):
is a test
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OpenStudy (stefrheart):
Oh that makes more sense! Now would you like for me to quickly teach you?
OpenStudy (anonymous):
Sure :D
OpenStudy (anonymous):
honestly i love to learn :D
OpenStudy (stefrheart):
One solution-there is only 1 x
Infinite solutions- The equations are exactly the same and equal each other
No solutions- The equations dont equal each other or one answer
OpenStudy (anonymous):
ohh
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OpenStudy (stefrheart):
Exactly. Better?
OpenStudy (anonymous):
Yes better lol
OpenStudy (anonymous):
How many solutions does the equation have?
6-a=1/3(9a-18)
A.
one solution
B.
infinite solutions
C.
no solution
OpenStudy (anonymous):
but this one has 2 A's
OpenStudy (anonymous):
soo maaaybe
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OpenStudy (stefrheart):
What do you think?
OpenStudy (anonymous):
working it out :)
OpenStudy (anonymous):
i might get it on the first try :D
OpenStudy (stefrheart):
Okay :P Thats good!!!!
OpenStudy (anonymous):
When u mean equal to eachother what do u exactly mean gotta be sure :)
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OpenStudy (stefrheart):
like 5=5 or 6=2
OpenStudy (anonymous):
so is this B ?
OpenStudy (anonymous):
if not
OpenStudy (anonymous):
actuallu no its not B lol
OpenStudy (stefrheart):
Lol so its not B so it leaves A and C
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OpenStudy (anonymous):
its A !
OpenStudy (anonymous):
cause for this one i cant see why it would be C lol
OpenStudy (stefrheart):
Lol you are correct it is A because a=3
OpenStudy (anonymous):
yup!
OpenStudy (anonymous):
woot! i got a 100% dude
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OpenStudy (anonymous):
your AWESOME!
OpenStudy (stefrheart):
Great job! Im proud of you! I didnt do much it was mainly you! :)