15=2w+-7

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Solution for 15=2w+-7 equation: 



15=2w+-7

We move all terms to the left:

15-(2w+-7)=0

We add all the numbers together, and all the variables

-(2w-7)+15=0

We get rid of parentheses

-2w+7+15=0

We add all the numbers together, and all the variables

-2w+22=0

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

-2w=-22

w=-22/-2

w=+11

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