3(w-10)=-9

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Solution for 3(w-10)=-9 equation: 



3(w-10)=-9

We move all terms to the left:

3(w-10)-(-9)=0

We add all the numbers together, and all the variables

3(w-10)+9=0

We multiply parentheses

3w-30+9=0

We add all the numbers together, and all the variables

3w-21=0

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

3w=21

w=21/3

w=7

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