y=2(y-1)

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Solution for y=2(y-1) equation: 


Simplifying
y = 2(y + -1)

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

Solving
y = -2 + 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.
y + -2y = -2 + 2y + -2y

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

Combine like terms: 2y + -2y = 0
-1y = -2 + 0
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2

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