3y+7=y-6

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Solution for 3y+7=y-6 equation: 



3y+7=y-6

We move all terms to the left:

3y+7-(y-6)=0

We get rid of parentheses

3y-y+6+7=0

We add all the numbers together, and all the variables

2y+13=0

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

2y=-13

y=-13/2

y=-6+1/2

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