-21q+8q=13

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Solution for -21q+8q=13 equation: 



-21q+8q=13

We move all terms to the left:

-21q+8q-(13)=0

We add all the numbers together, and all the variables

-13q-13=0

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

-13q=13

q=13/-13

q=-1

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