8x+15=7-x

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Solution for 8x+15=7-x equation: 



8x+15=7-x

We move all terms to the left:

8x+15-(7-x)=0

We add all the numbers together, and all the variables

8x-(-1x+7)+15=0

We get rid of parentheses

8x+1x-7+15=0

We add all the numbers together, and all the variables

9x+8=0

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

9x=-8

x=-8/9

x=-8/9

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