SOLUTION: how do i do this problem:3x-5=7x+7 please answer this quick thankyou. ps the - is a negative.

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Question 243470: how do i do this problem:3x-5=7x+7
please answer this quick thankyou.
ps the - is a negative.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3x-5=7x+7
Add 5 to both sides to get:
3x = 7x + 12
Subtract 7x from both sides to get:
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-4x = 12
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Divide both sides by -4 to get:
x = -3
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Cheers,