3.5x+21=3.5x

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Solution for 3.5x+21=3.5x equation: 


Simplifying
3.5x + 21 = 3.5x

Reorder the terms:
21 + 3.5x = 3.5x

Add '-3.5x' to each side of the equation.
21 + 3.5x + -3.5x = 3.5x + -3.5x

Combine like terms: 3.5x + -3.5x = 0.0
21 + 0.0 = 3.5x + -3.5x
21 = 3.5x + -3.5x

Combine like terms: 3.5x + -3.5x = 0.0
21 = 0.0

Solving
21 = 0.0

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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