7x-4=-12-x

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Solution for 7x-4=-12-x equation: 



7x-4=-12-x

We move all terms to the left:

7x-4-(-12-x)=0

We add all the numbers together, and all the variables

7x-(-1x-12)-4=0

We get rid of parentheses

7x+1x+12-4=0

We add all the numbers together, and all the variables

8x+8=0

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

8x=-8

x=-8/8

x=-1

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