2(2k-1)=4(k-1)

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Solution for 2(2k-1)=4(k-1) equation: 


Simplifying
2(2k + -1) = 4(k + -1)

Reorder the terms:
2(-1 + 2k) = 4(k + -1)
(-1 * 2 + 2k * 2) = 4(k + -1)
(-2 + 4k) = 4(k + -1)

Reorder the terms:
-2 + 4k = 4(-1 + k)
-2 + 4k = (-1 * 4 + k * 4)
-2 + 4k = (-4 + 4k)

Add '-4k' to each side of the equation.
-2 + 4k + -4k = -4 + 4k + -4k

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

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

Solving
-2 = -4

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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