9x+7=2x-12

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Solution for 9x+7=2x-12 equation: 



9x+7=2x-12

We move all terms to the left:

9x+7-(2x-12)=0

We get rid of parentheses

9x-2x+12+7=0

We add all the numbers together, and all the variables

7x+19=0

We move all terms containing x to the left, all other terms to the right

7x=-19

x=-19/7

x=-2+5/7

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