-2k+4k=2k

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Solution for -2k+4k=2k equation: 


Simplifying
-2k + 4k = 2k

Combine like terms: -2k + 4k = 2k
2k = 2k

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

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

Combine like terms: 2k + -2k = 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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