7-y-y-1=-1

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Solution for 7-y-y-1=-1 equation: 



7-y-y-1=-1

We move all terms to the left:

7-y-y-1-(-1)=0

We add all the numbers together, and all the variables

-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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