-7(w-78)=-91

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Solution for -7(w-78)=-91 equation: 



-7(w-78)=-91

We move all terms to the left:

-7(w-78)-(-91)=0

We add all the numbers together, and all the variables

-7(w-78)+91=0

We multiply parentheses

-7w+546+91=0

We add all the numbers together, and all the variables

-7w+637=0

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

-7w=-637

w=-637/-7

w=+91

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