7(w-1)-8=-2(-5w+9)-9w

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Solution for 7(w-1)-8=-2(-5w+9)-9w equation: 



7(w-1)-8=-2(-5w+9)-9w

We move all terms to the left:

7(w-1)-8-(-2(-5w+9)-9w)=0

We multiply parentheses

7w-(-2(-5w+9)-9w)-7-8=0



We calculate terms in parentheses: -(-2(-5w+9)-9w), so:

-2(-5w+9)-9w

We add all the numbers together, and all the variables

-9w-2(-5w+9)

We multiply parentheses

-9w+10w-18

We add all the numbers together, and all the variables

w-18

Back to the equation:

-(w-18)



We add all the numbers together, and all the variables

7w-(w-18)-15=0

We get rid of parentheses

7w-w+18-15=0

We add all the numbers together, and all the variables

6w+3=0

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

6w=-3

w=-3/6

w=-1/2

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