15=-3(w-)

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Solution for 15=-3(w-) equation: 



15=-3(w-)

We move all terms to the left:

15-(-3(w-))=0

We add all the numbers together, and all the variables

-(-3(+w))+15=0



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

-3(+w)

We multiply parentheses

-3w

Back to the equation:

-(-3w)



We get rid of parentheses

3w+15=0

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

3w=-15

w=-15/3

w=-5

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