3(w+7)=-3(5w-4)+3w

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Solution for 3(w+7)=-3(5w-4)+3w equation: 



3(w+7)=-3(5w-4)+3w

We move all terms to the left:

3(w+7)-(-3(5w-4)+3w)=0

We multiply parentheses

3w-(-3(5w-4)+3w)+21=0



We calculate terms in parentheses: -(-3(5w-4)+3w), so:

-3(5w-4)+3w

We add all the numbers together, and all the variables

3w-3(5w-4)

We multiply parentheses

3w-15w+12

We add all the numbers together, and all the variables

-12w+12

Back to the equation:

-(-12w+12)



We get rid of parentheses

3w+12w-12+21=0

We add all the numbers together, and all the variables

15w+9=0

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

15w=-9

w=-9/15

w=-3/5

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