2y=-2(-2+-1y)-4

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Solution for 2y=-2(-2+-1y)-4 equation: 


Simplifying
2y = -2(-2 + -1y) + -4
2y = (-2 * -2 + -1y * -2) + -4
2y = (4 + 2y) + -4

Reorder the terms:
2y = 4 + -4 + 2y

Combine like terms: 4 + -4 = 0
2y = 0 + 2y
2y = 2y

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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