2(w-10)+-7=-9

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Solution for 2(w-10)+-7=-9 equation: 



2(w-10)+-7=-9

We move all terms to the left:

2(w-10)+-7-(-9)=0

We add all the numbers together, and all the variables

2(w-10)+2=0

We multiply parentheses

2w-20+2=0

We add all the numbers together, and all the variables

2w-18=0

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

2w=18

w=18/2

w=9

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