-2(q-10)=-20

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Solution for -2(q-10)=-20 equation: 



-2(q-10)=-20

We move all terms to the left:

-2(q-10)-(-20)=0

We add all the numbers together, and all the variables

-2(q-10)+20=0

We multiply parentheses

-2q+20+20=0

We add all the numbers together, and all the variables

-2q+40=0

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

-2q=-40

q=-40/-2

q=+20

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