10-2q=21

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Solution for 10-2q=21 equation: 



10-2q=21

We move all terms to the left:

10-2q-(21)=0

We add all the numbers together, and all the variables

-2q-11=0

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

-2q=11

q=11/-2

q=-5+1/2

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