7y-8y-2(y-1)=-1

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Solution for 7y-8y-2(y-1)=-1 equation: 



7y-8y-2(y-1)=-1

We move all terms to the left:

7y-8y-2(y-1)-(-1)=0

We add all the numbers together, and all the variables

-1y-2(y-1)+1=0

We multiply parentheses

-1y-2y+2+1=0

We add all the numbers together, and all the variables

-3y+3=0

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

-3y=-3

y=-3/-3

y=1

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