21=q+19

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Solution for 21=q+19 equation:



21=q+19
We move all terms to the left:
21-(q+19)=0
We get rid of parentheses
-q-19+21=0
We add all the numbers together, and all the variables
-1q+2=0
We move all terms containing q to the left, all other terms to the right
-q=-2
q=-2/-1
q=+2

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