15=2-7+2x+3x

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



15=2-7+2x+3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(5x-5)+15=0

We get rid of parentheses

-5x+5+15=0

We add all the numbers together, and all the variables

-5x+20=0

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

-5x=-20

x=-20/-5

x=+4

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