(-5y)+(6-y)-(5-y)=0

Solution for (-5y)+(6-y)-(5-y)=0 equation:

Simplifying
(-5y) + (6 + -1y) + -1(5 + -1y) = 0

Remove parenthesis around (6 + -1y)
(-5y) + 6 + -1y + -1(5 + -1y) = 0
(-5y) + 6 + -1y + (5 * -1 + -1y * -1) = 0
(-5y) + 6 + -1y + (-5 + 1y) = 0

Reorder the terms:
6 + -5 + (-5y) + -1y + 1y = 0

Combine like terms: 6 + -5 = 1
1 + (-5y) + -1y + 1y = 0

Combine like terms: (-5y) + -1y = -6y
1 + -6y + 1y = 0

Combine like terms: -6y + 1y = -5y
1 + -5y = 0

Solving
1 + -5y = 0

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -5y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -5y = 0 + -1
-5y = 0 + -1

Combine like terms: 0 + -1 = -1
-5y = -1

Divide each side by '-5'.
y = 0.2

Simplifying
y = 0.2