21=8(w+2)-3w

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Solution for 21=8(w+2)-3w equation: 



21=8(w+2)-3w

We move all terms to the left:

21-(8(w+2)-3w)=0



We calculate terms in parentheses: -(8(w+2)-3w), so:

8(w+2)-3w

We add all the numbers together, and all the variables

-3w+8(w+2)

We multiply parentheses

-3w+8w+16

We add all the numbers together, and all the variables

5w+16

Back to the equation:

-(5w+16)



We get rid of parentheses

-5w-16+21=0

We add all the numbers together, and all the variables

-5w+5=0

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

-5w=-5

w=-5/-5

w=1

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