-2y+9-7=-y-8

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Solution for -2y+9-7=-y-8 equation: 



-2y+9-7=-y-8

We move all terms to the left:

-2y+9-7-(-y-8)=0

We add all the numbers together, and all the variables

-2y-(-1y-8)+9-7=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2y+1y+8+2=0

We add all the numbers together, and all the variables

-1y+10=0

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

-y=-10

y=-10/-1

y=+10

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