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

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

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

We move all terms to the left:

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


We calculate terms in parentheses: -(2(y+7)-5y), so:

2(y+7)-5y

We add all the numbers together, and all the variables

-5y+2(y+7)

We multiply parentheses

-5y+2y+14

We add all the numbers together, and all the variables

-3y+14

Back to the equation:

-(-3y+14)


We get rid of parentheses

3y-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