Y-7=y+y

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Solution for Y-7=y+y equation: 



-7=Y+Y

We move all terms to the left:

-7-(Y+Y)=0

We add all the numbers together, and all the variables

-(+2Y)-7=0

We get rid of parentheses

-2Y-7=0

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

-2Y=7

Y=7/-2

Y=-3+1/2

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