SOLUTION: what is 3x-9=15+12

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Question 22613: what is 3x-9=15+12
Answer by wuwei96815(245) About Me  (Show Source):
You can put this solution on YOUR website!
3x-9=15+12
Add 9 to both sides.
3x=15+12+9=36
Divide both sides by 3.
x=36/3=12

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