(Y-7)-(y+8)=2y

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Solution for (Y-7)-(y+8)=2y equation: 



(-7)-(Y+8)=2Y

We move all terms to the left:

(-7)-(Y+8)-(2Y)=0

We add all the numbers together, and all the variables

-2Y-(Y+8)-7=0

We get rid of parentheses

-2Y-Y-8-7=0

We add all the numbers together, and all the variables

-3Y-15=0

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

-3Y=15

Y=15/-3

Y=-5

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