6-2z=12-2z

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Solution for 6-2z=12-2z equation: 


Simplifying
6 + -2z = 12 + -2z

Add '2z' to each side of the equation.
6 + -2z + 2z = 12 + -2z + 2z

Combine like terms: -2z + 2z = 0
6 + 0 = 12 + -2z + 2z
6 = 12 + -2z + 2z

Combine like terms: -2z + 2z = 0
6 = 12 + 0
6 = 12

Solving
6 = 12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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