-(8y-8)-(-7y+5)=4

Solution for -(8y-8)-(-7y+5)=4 equation:

Simplifying
-1(8y + -8) + -1(-7y + 5) = 4

Reorder the terms:
-1(-8 + 8y) + -1(-7y + 5) = 4
(-8 * -1 + 8y * -1) + -1(-7y + 5) = 4
(8 + -8y) + -1(-7y + 5) = 4

Reorder the terms:
8 + -8y + -1(5 + -7y) = 4
8 + -8y + (5 * -1 + -7y * -1) = 4
8 + -8y + (-5 + 7y) = 4

Reorder the terms:
8 + -5 + -8y + 7y = 4

Combine like terms: 8 + -5 = 3
3 + -8y + 7y = 4

Combine like terms: -8y + 7y = -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