-12=(w+3)4+-w

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Solution for -12=(w+3)4+-w equation: 



-12=(w+3)4+-w

We move all terms to the left:

-12-((w+3)4+-w)=0

We use the square of the difference formula

-((w+3)4-w)-12=0



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

(w+3)4-w

We add all the numbers together, and all the variables

-1w+(w+3)4

We multiply parentheses

-1w+4w+12

We add all the numbers together, and all the variables

3w+12

Back to the equation:

-(3w+12)



We get rid of parentheses

-3w-12-12=0

We add all the numbers together, and all the variables

-3w-24=0

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

-3w=24

w=24/-3

w=-8

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