18=15-3(-4-2w)

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Solution for 18=15-3(-4-2w) equation: 



18=15-3(-4-2w)

We move all terms to the left:

18-(15-3(-4-2w))=0

We add all the numbers together, and all the variables

-(15-3(-2w-4))+18=0



We calculate terms in parentheses: -(15-3(-2w-4)), so:

15-3(-2w-4)

determiningTheFunctionDomain
-3(-2w-4)+15

We multiply parentheses

6w+12+15

We add all the numbers together, and all the variables

6w+27

Back to the equation:

-(6w+27)



We get rid of parentheses

-6w-27+18=0

We add all the numbers together, and all the variables

-6w-9=0

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

-6w=9

w=9/-6

w=-1+1/2

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