Mathematics
19 Online
jabez177 (jabez177):
Please help with some proportion problems in math.
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jabez177 (jabez177):
1-5
OpenStudy (matlee):
lol you know this
jabez177 (jabez177):
I know but i'm a bit stressed and not exactly in the mood for this. xD
jabez177 (jabez177):
Let me just try. brb
OpenStudy (matlee):
x=2
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OpenStudy (matlee):
x=3
OpenStudy (matlee):
the other ones idk lol
jabez177 (jabez177):
Exactly, I used to love math now I hate it... xD
jabez177 (jabez177):
Brb in 10 mins, I'm going to try and solve these.
OpenStudy (anonymous):
i can help u with number 4 :)
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OpenStudy (anonymous):
that would be x=-2
OpenStudy (anonymous):
do u want me to show u the work?
OpenStudy (matlee):
oh no lugigi is here
OpenStudy (luigi0210):
Dewds -.-
jabez177 (jabez177):
Yes, I just got that. Let me do it on my own, I got it.
I KNOW!xD
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OpenStudy (matlee):
Lol
OpenStudy (anonymous):
ok :) .. sorry i was just trying to help
OpenStudy (matlee):
:9
jabez177 (jabez177):
Fascinating job but I basically need help on #3 for now.
OpenStudy (anonymous):
|dw:1429988546793:dw|
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OpenStudy (matlee):
3x+1
10
=
x−1
7
Step 1: Cross-multiply.
(3x+1)
10
=
(x−1)
7
(3x+1)*(7)=(x−1)*(10)
21x+7=10x−10
Step 2: Subtract 10x from both sides.
21x+7−10x=10x−10−10x
11x+7=−10
Step 3: Subtract 7 from both sides.
11x+7−7=−10−7
11x=−17
Step 4: Divide both sides by 11.
11x
11
=
−17
11
x=
−17
11
Answer:
x=
−17
11
jabez177 (jabez177):
The rest are a breeze, since I have 40 questions for homework...
OpenStudy (matlee):
the two lines are fractions
jabez177 (jabez177):
I know. xD
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jabez177 (jabez177):
Thank you Nicole!
OpenStudy (matlee):
your welcome Jabez
jabez177 (jabez177):
By the way, you can call me Steven.
OpenStudy (matlee):
o
OpenStudy (matlee):
why thank you
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jabez177 (jabez177):
So basically @matlee, The answer is -17?
OpenStudy (matlee):
over 11
jabez177 (jabez177):
Thought so. THANKS!
jabez177 (jabez177):
So x = -17/11
jabez177 (jabez177):
THANKS!
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jabez177 (jabez177):
@Matlee
OpenStudy (matlee):
your welcome!