-(-3y-3)=3(3y-13)

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

Simplifying
-1(-3y + -3) = 3(3y + -13)

Reorder the terms:
-1(-3 + -3y) = 3(3y + -13)
(-3 * -1 + -3y * -1) = 3(3y + -13)
(3 + 3y) = 3(3y + -13)

Reorder the terms:
3 + 3y = 3(-13 + 3y)
3 + 3y = (-13 * 3 + 3y * 3)
3 + 3y = (-39 + 9y)

Solving
3 + 3y = -39 + 9y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-9y' to each side of the equation.
3 + 3y + -9y = -39 + 9y + -9y

Combine like terms: 3y + -9y = -6y
3 + -6y = -39 + 9y + -9y

Combine like terms: 9y + -9y = 0
3 + -6y = -39 + 0
3 + -6y = -39

Add '-3' to each side of the equation.
3 + -3 + -6y = -39 + -3

Combine like terms: 3 + -3 = 0
0 + -6y = -39 + -3
-6y = -39 + -3

Combine like terms: -39 + -3 = -42
-6y = -42

Divide each side by '-6'.
y = 7

Simplifying
y = 7