-(-y+20)+y=-4

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Solution for -(-y+20)+y=-4 equation:


Simplifying
-1(-1y + 20) + y = -4

Reorder the terms:
-1(20 + -1y) + y = -4
(20 * -1 + -1y * -1) + y = -4
(-20 + 1y) + y = -4

Combine like terms: 1y + y = 2y
-20 + 2y = -4

Solving
-20 + 2y = -4

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 2y = -4 + 20

Combine like terms: -20 + 20 = 0
0 + 2y = -4 + 20
2y = -4 + 20

Combine like terms: -4 + 20 = 16
2y = 16

Divide each side by '2'.
y = 8

Simplifying
y = 8

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