21+3x=3x+3

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Solution for 21+3x=3x+3 equation: 


Simplifying
21 + 3x = 3x + 3

Reorder the terms:
21 + 3x = 3 + 3x

Add '-3x' to each side of the equation.
21 + 3x + -3x = 3 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 0 = 3 + 3x + -3x
21 = 3 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 = 3 + 0
21 = 3

Solving
21 = 3

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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