8y-9=-y

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Solution for 8y-9=-y equation:



8y-9=-y
We move all terms to the left:
8y-9-(-y)=0
We add all the numbers together, and all the variables
8y-(-1y)-9=0
We get rid of parentheses
8y+1y-9=0
We add all the numbers together, and all the variables
9y-9=0
We move all terms containing y to the left, all other terms to the right
9y=9
y=9/9
y=1

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