-3=3(w-5)-7w

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Solution for -3=3(w-5)-7w equation: 



-3=3(w-5)-7w

We move all terms to the left:

-3-(3(w-5)-7w)=0



We calculate terms in parentheses: -(3(w-5)-7w), so:

3(w-5)-7w

We add all the numbers together, and all the variables

-7w+3(w-5)

We multiply parentheses

-7w+3w-15

We add all the numbers together, and all the variables

-4w-15

Back to the equation:

-(-4w-15)



We get rid of parentheses

4w+15-3=0

We add all the numbers together, and all the variables

4w+12=0

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

4w=-12

w=-12/4

w=-3

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