15-8=7+x

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Solution for 15-8=7+x equation: 



15-8=7+x

We move all terms to the left:

15-8-(7+x)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(x+7)+7=0

We get rid of parentheses

-x-7+7=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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