-13=3(y-7)-5y

Solution for -13=3(y-7)-5y equation:

-13=3(y-7)-5y

We move all terms to the left:

-13-(3(y-7)-5y)=0


We calculate terms in parentheses: -(3(y-7)-5y), so:

3(y-7)-5y

We add all the numbers together, and all the variables

-5y+3(y-7)

We multiply parentheses

-5y+3y-21

We add all the numbers together, and all the variables

-2y-21

Back to the equation:

-(-2y-21)


We get rid of parentheses

2y+21-13=0

We add all the numbers together, and all the variables

2y+8=0

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

2y=-8

y=-8/2

y=-4