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

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Solution for 2(-y-1)+5y=7 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

5y-2y-2-7=0

We add all the numbers together, and all the variables

3y-9=0

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

3y=9

y=9/3

y=3

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