-(6y-6)-(-5y+9)=-4

Solution for -(6y-6)-(-5y+9)=-4 equation:

Simplifying
-1(6y + -6) + -1(-5y + 9) = -4

Reorder the terms:
-1(-6 + 6y) + -1(-5y + 9) = -4
(-6 * -1 + 6y * -1) + -1(-5y + 9) = -4
(6 + -6y) + -1(-5y + 9) = -4

Reorder the terms:
6 + -6y + -1(9 + -5y) = -4
6 + -6y + (9 * -1 + -5y * -1) = -4
6 + -6y + (-9 + 5y) = -4

Reorder the terms:
6 + -9 + -6y + 5y = -4

Combine like terms: 6 + -9 = -3
-3 + -6y + 5y = -4

Combine like terms: -6y + 5y = -1y
-3 + -1y = -4

Solving
-3 + -1y = -4

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + -1y = -4 + 3

Combine like terms: -3 + 3 = 0
0 + -1y = -4 + 3
-1y = -4 + 3

Combine like terms: -4 + 3 = -1
-1y = -1

Divide each side by '-1'.
y = 1

Simplifying
y = 1