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3q=9*1/81
We move all terms to the left:
3q-(9*1/81)=0
We add all the numbers together, and all the variables
3q-(+9*1/81)=0
We get rid of parentheses
3q-9*1/81=0
We multiply all the terms by the denominator
3q*81-9*1=0
We add all the numbers together, and all the variables
3q*81-9=0
Wy multiply elements
243q-9=0
We move all terms containing q to the left, all other terms to the right
243q=9
q=9/243
q=1/27
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