can someone help me with this equation? 8p+6=7p+14
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OpenStudy (aroub):
8p+6-7p-14=0
p-8=0
p=8
OpenStudy (aroub):
did u understand how did i do it?
OpenStudy (anonymous):
can you show me step by step
OpenStudy (aroub):
yes ofcourse , u have to find y so the first step u add all them to one side (its easier,but some people don't so as u like) then u see which numbers have the same variable and add them or numbers( like what u have hear in this example 8p and -7p which becomes p, and -14+6=-8)then next step u already simplified (p-8=0) the last step u have to put it as it was p=8(and when u move a number from side to the other side the sign of the number changes )
OpenStudy (aroub):
i really hope that helped! :)
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OpenStudy (anonymous):
can u help me with another one please
OpenStudy (aroub):
yes sure what is it?
OpenStudy (anonymous):
-6m-7=-7m+8
this is to make sure im on the right tract
OpenStudy (aroub):
can u do it and ill check it for u so i could know if u understand please
OpenStudy (anonymous):
yes
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OpenStudy (anonymous):
-6m-7=-7m+8
+6 +6
m-7=1
+1 +1
m=-6
OpenStudy (aroub):
i got m=15
OpenStudy (anonymous):
how
OpenStudy (keenan):
4/3
OpenStudy (aroub):
no wait ill show u :
-6m-7=-7m+8
-6m-7+7m-8
m-15=0
m=15
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OpenStudy (aroub):
did u understand?
OpenStudy (anonymous):
no because u didnt show me what u added r subtracted. is it -6m-7 and then 7m-8 and then u added them together
OpenStudy (keenan):
add like terms and then divide
OpenStudy (aroub):
i putted then in one side which becomes -6m-7+7m-8=0
OpenStudy (anonymous):
okay im gonna try that to see if i get the same answer.
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OpenStudy (aroub):
try to put another question and try to solve it :)
OpenStudy (anonymous):
10y=2y+9+7y
OpenStudy (aroub):
it needs alot ofpracticing :)
OpenStudy (keenan):
combine like terms and divide
OpenStudy (anonymous):
okay
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OpenStudy (aroub):
try u solve it please :)
OpenStudy (keenan):
who me
OpenStudy (anonymous):
no me
OpenStudy (anonymous):
10y=2y+9+7y=
10y+2y+7y+9=28
OpenStudy (anonymous):
is that correct
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OpenStudy (keenan):
checking now
OpenStudy (aroub):
go on
OpenStudy (aroub):
no it wrong
OpenStudy (keenan):
yeah i got 9/19
OpenStudy (aroub):
i told u when u want to move numbers from side to side u change the sign
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OpenStudy (anonymous):
okay ill try again
OpenStudy (anonymous):
10y=2y+7y+9=
10y-2y-7y+9
is that right so far
OpenStudy (keenan):
add all the y's together
OpenStudy (anonymous):
okay
10y+2y+7y=19y
OpenStudy (keenan):
good
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OpenStudy (anonymous):
2 1-9
OpenStudy (anonymous):
is it right
OpenStudy (aroub):
very good :)
OpenStudy (keenan):
nope then divide 9 into 19 and you should get 9/19
OpenStudy (anonymous):
can i do the same thing with the 1st one
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OpenStudy (keenan):
yes
OpenStudy (anonymous):
keenan, 9/19=2 1/9
OpenStudy (keenan):
got to go bye
OpenStudy (anonymous):
aroub r u there
OpenStudy (aroub):
yes sorry
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OpenStudy (aroub):
good improvement :) hahah :)
OpenStudy (anonymous):
im gonna try and solve the next one and u can check it ,and thank you
OpenStudy (anonymous):
-7a+2+8a=5-25
OpenStudy (aroub):
yes ofcourse i will do it too and see if ur answer is right or not :)
OpenStudy (anonymous):
-7a-8a+2=5+25
did i rewrite this one right
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OpenStudy (aroub):
why -8a ?
OpenStudy (aroub):
u didnt remove it from its place
OpenStudy (aroub):
so u dont change the sign
OpenStudy (anonymous):
oh,okay ;so -7a+8a+2=3 and
5+25=30
OpenStudy (anonymous):
a=10
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OpenStudy (anonymous):
3/3=30/3
a=10
OpenStudy (aroub):
no i got a=18
OpenStudy (aroub):
no no what r u doing :( from where did u get 3 ???
OpenStudy (anonymous):
because -7a+8a=1 and
1+2=3
OpenStudy (anonymous):
so sorry
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OpenStudy (aroub):
no! try again please
OpenStudy (anonymous):
is it -6 2/3
OpenStudy (aroub):
wait please i want to check i think ur right :)
OpenStudy (anonymous):
please don't be madd @ me i just dont know how to do this stuff. i fell off again
OpenStudy (aroub):
no no wait i got now 20
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OpenStudy (anonymous):
ill be right back,please dont leave
OpenStudy (aroub):
wait please i want to check it one more time
OpenStudy (anonymous):
okay -7a+8a+2=3
5-25=-20
3/3=1a
-20/3=a=-6 2/3
OpenStudy (anonymous):
is it right
OpenStudy (aroub):
-7a+2+8a=5-25
a+2=-20
a=-2-20
a=-22
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OpenStudy (anonymous):
where did the -2 come from
OpenStudy (aroub):
i took it to the other side
OpenStudy (anonymous):
okay i got it
OpenStudy (anonymous):
thank you for not being upset with me right now i just get confused
OpenStudy (anonymous):
2(y+4)=3(y-2)
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OpenStudy (aroub):
di u really got it? im ready to help more
OpenStudy (anonymous):
okay im getting it. you can help more i wont mind
OpenStudy (anonymous):
i have already started on the other one
OpenStudy (aroub):
ok me too i dont mind :)
OpenStudy (anonymous):
ok does y = 14
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OpenStudy (aroub):
yes its true i will give u a medal for that :)
OpenStudy (anonymous):
thank you 4 my medal
OpenStudy (anonymous):
9(k+1)-(8k+2)=1
OpenStudy (aroub):
hahha u 2 thank you for the medal :)
OpenStudy (aroub):
ok u solve me check :)
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OpenStudy (anonymous):
does k=7
OpenStudy (anonymous):
aroub ru there
OpenStudy (aroub):
umm... no its k=-6
OpenStudy (anonymous):
how
OpenStudy (aroub):
ok 9(k+1)-(8k+2)=1
9k+9-8k-2=1
k+7=1
k=-6
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