4+2x=2x+21

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Solution for 4+2x=2x+21 equation: 


Simplifying
4 + 2x = 2x + 21

Reorder the terms:
4 + 2x = 21 + 2x

Add '-2x' to each side of the equation.
4 + 2x + -2x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
4 + 0 = 21 + 2x + -2x
4 = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
4 = 21 + 0
4 = 21

Solving
4 = 21

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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