(-y-1)+(2y-1)+(y+3)+(-y-1)=

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Solution for (-y-1)+(2y-1)+(y+3)+(-y-1)= equation:


Simplifying
(-1y + -1) + (2y + -1) + (y + 3) + (-1y + -1) = 0

Reorder the terms:
(-1 + -1y) + (2y + -1) + (y + 3) + (-1y + -1) = 0

Remove parenthesis around (-1 + -1y)
-1 + -1y + (2y + -1) + (y + 3) + (-1y + -1) = 0

Reorder the terms:
-1 + -1y + (-1 + 2y) + (y + 3) + (-1y + -1) = 0

Remove parenthesis around (-1 + 2y)
-1 + -1y + -1 + 2y + (y + 3) + (-1y + -1) = 0

Reorder the terms:
-1 + -1y + -1 + 2y + (3 + y) + (-1y + -1) = 0

Remove parenthesis around (3 + y)
-1 + -1y + -1 + 2y + 3 + y + (-1y + -1) = 0

Reorder the terms:
-1 + -1y + -1 + 2y + 3 + y + (-1 + -1y) = 0

Remove parenthesis around (-1 + -1y)
-1 + -1y + -1 + 2y + 3 + y + -1 + -1y = 0

Reorder the terms:
-1 + -1 + 3 + -1 + -1y + 2y + y + -1y = 0

Combine like terms: -1 + -1 = -2
-2 + 3 + -1 + -1y + 2y + y + -1y = 0

Combine like terms: -2 + 3 = 1
1 + -1 + -1y + 2y + y + -1y = 0

Combine like terms: 1 + -1 = 0
0 + -1y + 2y + y + -1y = 0
-1y + 2y + y + -1y = 0

Combine like terms: -1y + 2y = 1y
1y + y + -1y = 0

Combine like terms: 1y + y = 2y
2y + -1y = 0

Combine like terms: 2y + -1y = 1y
1y = 0

Solving
1y = 0

Solving for variable 'y'.

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

Divide each side by '1'.
y = 0

Simplifying
y = 0

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