6+9y=12+7y

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Solution for 6+9y=12+7y equation: 



6+9y=12+7y

We move all terms to the left:

6+9y-(12+7y)=0

We add all the numbers together, and all the variables

9y-(7y+12)+6=0

We get rid of parentheses

9y-7y-12+6=0

We add all the numbers together, and all the variables

2y-6=0

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

2y=6

y=6/2

y=3

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