Y-(8-y)=-20

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Solution for Y-(8-y)=-20 equation: 


Simplifying
Y + -1(8 + -1y) = -20
Y + (8 * -1 + -1y * -1) = -20
Y + (-8 + 1y) = -20

Reorder the terms:
-8 + Y + 1y = -20

Solving
-8 + Y + 1y = -20

Solving for variable 'Y'.

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

Add '8' to each side of the equation.
-8 + Y + 8 + 1y = -20 + 8

Reorder the terms:
-8 + 8 + Y + 1y = -20 + 8

Combine like terms: -8 + 8 = 0
0 + Y + 1y = -20 + 8
Y + 1y = -20 + 8

Combine like terms: -20 + 8 = -12
Y + 1y = -12

Add '-1y' to each side of the equation.
Y + 1y + -1y = -12 + -1y

Combine like terms: 1y + -1y = 0
Y + 0 = -12 + -1y
Y = -12 + -1y

Simplifying
Y = -12 + -1y

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