15+3=2x+7-x

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Solution for 15+3=2x+7-x equation: 



15+3=2x+7-x

We move all terms to the left:

15+3-(2x+7-x)=0

We add all the numbers together, and all the variables

-(x+7)+15+3=0

We add all the numbers together, and all the variables

-(x+7)+18=0

We get rid of parentheses

-x-7+18=0

We add all the numbers together, and all the variables

-1x+11=0

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

-x=-11

x=-11/-1

x=+11

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