-y-7=y/2-1

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Solution for -y-7=y/2-1 equation: 



-y-7=y/2-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1y-y/2+1-7=0

We multiply all the terms by the denominator


-1y*2-y+1*2-7*2=0

We add all the numbers together, and all the variables

-1y-1y*2-12=0

Wy multiply elements

-1y-2y-12=0

We add all the numbers together, and all the variables

-3y-12=0

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

-3y=12

y=12/-3

y=-4

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