2(7+y)+y=-1

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



2(7+y)+y=-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We multiply parentheses

y+2y+14+1=0

We add all the numbers together, and all the variables

3y+15=0

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

3y=-15

y=-15/3

y=-5

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