-39=3(q-90)

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Solution for -39=3(q-90) equation: 



-39=3(q-90)

We move all terms to the left:

-39-(3(q-90))=0



We calculate terms in parentheses: -(3(q-90)), so:

3(q-90)

We multiply parentheses

3q-270

Back to the equation:

-(3q-270)



We get rid of parentheses

-3q+270-39=0

We add all the numbers together, and all the variables

-3q+231=0

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

-3q=-231

q=-231/-3

q=+77

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