7x-12+8=-3x-25-4x

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Solution for 7x-12+8=-3x-25-4x equation: 



7x-12+8=-3x-25-4x

We move all terms to the left:

7x-12+8-(-3x-25-4x)=0

We add all the numbers together, and all the variables

7x-(-7x-25)-12+8=0

We add all the numbers together, and all the variables

7x-(-7x-25)-4=0

We get rid of parentheses

7x+7x+25-4=0

We add all the numbers together, and all the variables

14x+21=0

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

14x=-21

x=-21/14

x=-1+1/2

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