3+8y-12+7y=7y-2y+4+7

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Solution for 3+8y-12+7y=7y-2y+4+7 equation: 



3+8y-12+7y=7y-2y+4+7

We move all terms to the left:

3+8y-12+7y-(7y-2y+4+7)=0

We add all the numbers together, and all the variables

8y+7y-(5y+11)+3-12=0

We add all the numbers together, and all the variables

15y-(5y+11)-9=0

We get rid of parentheses

15y-5y-11-9=0

We add all the numbers together, and all the variables

10y-20=0

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

10y=20

y=20/10

y=2

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