-20=2(y-8)-4y

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Solution for -20=2(y-8)-4y equation:


Simplifying
-20 = 2(y + -8) + -4y

Reorder the terms:
-20 = 2(-8 + y) + -4y
-20 = (-8 * 2 + y * 2) + -4y
-20 = (-16 + 2y) + -4y

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

Solving
-20 = -16 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
-20 + 2y = -16 + -2y + 2y

Combine like terms: -2y + 2y = 0
-20 + 2y = -16 + 0
-20 + 2y = -16

Add '20' to each side of the equation.
-20 + 20 + 2y = -16 + 20

Combine like terms: -20 + 20 = 0
0 + 2y = -16 + 20
2y = -16 + 20

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

Divide each side by '2'.
y = 2

Simplifying
y = 2

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