2x+8=7-x

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Solution for 2x+8=7-x equation: 



2x+8=7-x

We move all terms to the left:

2x+8-(7-x)=0

We add all the numbers together, and all the variables

2x-(-1x+7)+8=0

We get rid of parentheses

2x+1x-7+8=0

We add all the numbers together, and all the variables

3x+1=0

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

3x=-1

x=-1/3

x=-1/3

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