7+8=2y-4

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



7+8=2y-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(2y-4)+15=0

We get rid of parentheses

-2y+4+15=0

We add all the numbers together, and all the variables

-2y+19=0

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

-2y=-19

y=-19/-2

y=9+1/2

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