-q=2+q+18

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Solution for -q=2+q+18 equation: 



-q=2+q+18

We move all terms to the left:

-q-(2+q+18)=0

We add all the numbers together, and all the variables

-q-(q+20)=0

We add all the numbers together, and all the variables

-1q-(q+20)=0

We get rid of parentheses

-1q-q-20=0

We add all the numbers together, and all the variables

-2q-20=0

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

-2q=20

q=20/-2

q=-10

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