-7x-15=-12x+20

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Solution for -7x-15=-12x+20 equation: 



-7x-15=-12x+20

We move all terms to the left:

-7x-15-(-12x+20)=0

We get rid of parentheses

-7x+12x-20-15=0

We add all the numbers together, and all the variables

5x-35=0

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

5x=35

x=35/5

x=7

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