-(5y+5)-(-4y+1)=4

Solution for -(5y+5)-(-4y+1)=4 equation:

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

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

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

Reorder the terms:
-5 + -1 + -5y + 4y = 4

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

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

Solving
-6 + -1y = 4

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + -1y = 4 + 6

Combine like terms: -6 + 6 = 0
0 + -1y = 4 + 6
-1y = 4 + 6

Combine like terms: 4 + 6 = 10
-1y = 10

Divide each side by '-1'.
y = -10

Simplifying
y = -10