91=7(q-78)

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



91=7(q-78)

We move all terms to the left:

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



We calculate terms in parentheses: -(7(q-78)), so:

7(q-78)

We multiply parentheses

7q-546

Back to the equation:

-(7q-546)



We get rid of parentheses

-7q+546+91=0

We add all the numbers together, and all the variables

-7q+637=0

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

-7q=-637

q=-637/-7

q=+91

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