7w-31=4(w-7)

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Solution for 7w-31=4(w-7) equation: 



7w-31=4(w-7)

We move all terms to the left:

7w-31-(4(w-7))=0



We calculate terms in parentheses: -(4(w-7)), so:

4(w-7)

We multiply parentheses

4w-28

Back to the equation:

-(4w-28)



We get rid of parentheses

7w-4w+28-31=0

We add all the numbers together, and all the variables

3w-3=0

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

3w=3

w=3/3

w=1

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