2y+18=-2(-y-9)

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Solution for 2y+18=-2(-y-9) equation:


Simplifying
2y + 18 = -2(-1y + -9)

Reorder the terms:
18 + 2y = -2(-1y + -9)

Reorder the terms:
18 + 2y = -2(-9 + -1y)
18 + 2y = (-9 * -2 + -1y * -2)
18 + 2y = (18 + 2y)

Add '-18' to each side of the equation.
18 + -18 + 2y = 18 + -18 + 2y

Combine like terms: 18 + -18 = 0
0 + 2y = 18 + -18 + 2y
2y = 18 + -18 + 2y

Combine like terms: 18 + -18 = 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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