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84/12=q/4
We move all terms to the left:
84/12-(q/4)=0
We add all the numbers together, and all the variables
-(+q/4)+84/12=0
We add all the numbers together, and all the variables
-(+q/4)+7=0
We get rid of parentheses
-q/4+7=0
We multiply all the terms by the denominator
-q+7*4=0
We add all the numbers together, and all the variables
-1q+28=0
We move all terms containing q to the left, all other terms to the right
-q=-28
q=-28/-1
q=+28
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