-3(q+1)=18

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Solution for -3(q+1)=18 equation: 



-3(q+1)=18

We move all terms to the left:

-3(q+1)-(18)=0

We multiply parentheses

-3q-3-18=0

We add all the numbers together, and all the variables

-3q-21=0

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

-3q=21

q=21/-3

q=-7

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