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

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



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

We move all terms to the left:

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

We multiply parentheses

3w-(w-7)-12+9=0

We get rid of parentheses

3w-w+7-12+9=0

We add all the numbers together, and all the variables

2w+4=0

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

2w=-4

w=-4/2

w=-2

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