40+5y=12+7y

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Solution for 40+5y=12+7y equation: 



40+5y=12+7y

We move all terms to the left:

40+5y-(12+7y)=0

We add all the numbers together, and all the variables

5y-(7y+12)+40=0

We get rid of parentheses

5y-7y-12+40=0

We add all the numbers together, and all the variables

-2y+28=0

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

-2y=-28

y=-28/-2

y=+14

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