-4y+20=2(2y-10)

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Solution for -4y+20=2(2y-10) equation:


Simplifying
-4y + 20 = 2(2y + -10)

Reorder the terms:
20 + -4y = 2(2y + -10)

Reorder the terms:
20 + -4y = 2(-10 + 2y)
20 + -4y = (-10 * 2 + 2y * 2)
20 + -4y = (-20 + 4y)

Solving
20 + -4y = -20 + 4y

Solving for variable 'y'.

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

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

Combine like terms: -4y + -4y = -8y
20 + -8y = -20 + 4y + -4y

Combine like terms: 4y + -4y = 0
20 + -8y = -20 + 0
20 + -8y = -20

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

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

Combine like terms: -20 + -20 = -40
-8y = -40

Divide each side by '-8'.
y = 5

Simplifying
y = 5

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