3(7)-w=7

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Solution for 3(7)-w=7 equation: 



3(7)-w=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1w+30=0

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

-w=-30

w=-30/-1

w=+30

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