9=2w-(-3)

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Solution for 9=2w-(-3) equation: 



9=2w-(-3)

We move all terms to the left:

9-(2w-(-3))=0



We calculate terms in parentheses: -(2w-(-3)), so:

2w-(-3)

We add all the numbers together, and all the variables

2w+3

Back to the equation:

-(2w+3)



We get rid of parentheses

-2w-3+9=0

We add all the numbers together, and all the variables

-2w+6=0

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

-2w=-6

w=-6/-2

w=+3

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