80-71=31y-34y

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Solution for 80-71=31y-34y equation: 



80-71=31y-34y

We move all terms to the left:

80-71-(31y-34y)=0

We add all the numbers together, and all the variables

-(-3y)+80-71=0

We add all the numbers together, and all the variables

-(-3y)+9=0

We get rid of parentheses

3y+9=0

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

3y=-9

y=-9/3

y=-3

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