-9=-7+2(w+3)

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Solution for -9=-7+2(w+3) equation: 



-9=-7+2(w+3)

We move all terms to the left:

-9-(-7+2(w+3))=0



We calculate terms in parentheses: -(-7+2(w+3)), so:

-7+2(w+3)

determiningTheFunctionDomain
2(w+3)-7

We multiply parentheses

2w+6-7

We add all the numbers together, and all the variables

2w-1

Back to the equation:

-(2w-1)



We get rid of parentheses

-2w+1-9=0

We add all the numbers together, and all the variables

-2w-8=0

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

-2w=8

w=8/-2

w=-4

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