2(z-1)=2z-2

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


Simplifying
2(z + -1) = 2z + -2

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

Reorder the terms:
-2 + 2z = -2 + 2z

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

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

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

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

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

Combine like terms: 2z + -2z = 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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