8y+9=y-6

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Solution for 8y+9=y-6 equation: 



8y+9=y-6

We move all terms to the left:

8y+9-(y-6)=0

We get rid of parentheses

8y-y+6+9=0

We add all the numbers together, and all the variables

7y+15=0

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

7y=-15

y=-15/7

y=-2+1/7

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