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31=1-5y
We move all terms to the left:
31-(1-5y)=0
We add all the numbers together, and all the variables
-(-5y+1)+31=0
We get rid of parentheses
5y-1+31=0
We add all the numbers together, and all the variables
5y+30=0
We move all terms containing y to the left, all other terms to the right
5y=-30
y=-30/5
y=-6
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