12x+8=-x+7

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Solution for 12x+8=-x+7 equation: 



12x+8=-x+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

12x-(-1x+7)+8=0

We get rid of parentheses

12x+1x-7+8=0

We add all the numbers together, and all the variables

13x+1=0

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

13x=-1

x=-1/13

x=-1/13

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