3(w-7)-7=-2(-4w+9)-w

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Solution for 3(w-7)-7=-2(-4w+9)-w equation: 



3(w-7)-7=-2(-4w+9)-w

We move all terms to the left:

3(w-7)-7-(-2(-4w+9)-w)=0

We multiply parentheses

3w-(-2(-4w+9)-w)-21-7=0



We calculate terms in parentheses: -(-2(-4w+9)-w), so:

-2(-4w+9)-w

We add all the numbers together, and all the variables

-1w-2(-4w+9)

We multiply parentheses

-1w+8w-18

We add all the numbers together, and all the variables

7w-18

Back to the equation:

-(7w-18)



We add all the numbers together, and all the variables

3w-(7w-18)-28=0

We get rid of parentheses

3w-7w+18-28=0

We add all the numbers together, and all the variables

-4w-10=0

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

-4w=10

w=10/-4

w=-2+1/2

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