2(k-1)=2k+7

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Solution for 2(k-1)=2k+7 equation: 


Simplifying
2(k + -1) = 2k + 7

Reorder the terms:
2(-1 + k) = 2k + 7
(-1 * 2 + k * 2) = 2k + 7
(-2 + 2k) = 2k + 7

Reorder the terms:
-2 + 2k = 7 + 2k

Add '-2k' to each side of the equation.
-2 + 2k + -2k = 7 + 2k + -2k

Combine like terms: 2k + -2k = 0
-2 + 0 = 7 + 2k + -2k
-2 = 7 + 2k + -2k

Combine like terms: 2k + -2k = 0
-2 = 7 + 0
-2 = 7

Solving
-2 = 7

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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