-21=3+w/4

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Solution for -21=3+w/4 equation: 



-21=3+w/4

We move all terms to the left:

-21-(3+w/4)=0

We add all the numbers together, and all the variables

-(w/4+3)-21=0

We get rid of parentheses

-w/4-3-21=0

We multiply all the terms by the denominator


-w-3*4-21*4=0

We add all the numbers together, and all the variables

-1w-96=0

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

-w=96

w=96/-1

w=-96

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