5y-2y-1=y-7

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Solution for 5y-2y-1=y-7 equation: 



5y-2y-1=y-7

We move all terms to the left:

5y-2y-1-(y-7)=0

We add all the numbers together, and all the variables

3y-(y-7)-1=0

We get rid of parentheses

3y-y+7-1=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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