21=37-5(-1-2w)

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Solution for 21=37-5(-1-2w) equation: 



21=37-5(-1-2w)

We move all terms to the left:

21-(37-5(-1-2w))=0

We add all the numbers together, and all the variables

-(37-5(-2w-1))+21=0



We calculate terms in parentheses: -(37-5(-2w-1)), so:

37-5(-2w-1)

determiningTheFunctionDomain
-5(-2w-1)+37

We multiply parentheses

10w+5+37

We add all the numbers together, and all the variables

10w+42

Back to the equation:

-(10w+42)



We get rid of parentheses

-10w-42+21=0

We add all the numbers together, and all the variables

-10w-21=0

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

-10w=21

w=21/-10

w=-2+1/10

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