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

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


Simplifying
20y + 20 + -1y = 2(8y + -8)

Reorder the terms:
20 + 20y + -1y = 2(8y + -8)

Combine like terms: 20y + -1y = 19y
20 + 19y = 2(8y + -8)

Reorder the terms:
20 + 19y = 2(-8 + 8y)
20 + 19y = (-8 * 2 + 8y * 2)
20 + 19y = (-16 + 16y)

Solving
20 + 19y = -16 + 16y

Solving for variable 'y'.

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

Add '-16y' to each side of the equation.
20 + 19y + -16y = -16 + 16y + -16y

Combine like terms: 19y + -16y = 3y
20 + 3y = -16 + 16y + -16y

Combine like terms: 16y + -16y = 0
20 + 3y = -16 + 0
20 + 3y = -16

Add '-20' to each side of the equation.
20 + -20 + 3y = -16 + -20

Combine like terms: 20 + -20 = 0
0 + 3y = -16 + -20
3y = -16 + -20

Combine like terms: -16 + -20 = -36
3y = -36

Divide each side by '3'.
y = -12

Simplifying
y = -12

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