3w+7(w-4)=12

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Solution for 3w+7(w-4)=12 equation: 



3w+7(w-4)=12

We move all terms to the left:

3w+7(w-4)-(12)=0

We multiply parentheses

3w+7w-28-12=0

We add all the numbers together, and all the variables

10w-40=0

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

10w=40

w=40/10

w=4

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