8y+9=7y+12

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Solution for 8y+9=7y+12 equation: 



8y+9=7y+12

We move all terms to the left:

8y+9-(7y+12)=0

We get rid of parentheses

8y-7y-12+9=0

We add all the numbers together, and all the variables

y-3=0

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

y=3

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