21-6x=7-6x

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Solution for 21-6x=7-6x equation: 


Simplifying
21 + -6x = 7 + -6x

Add '6x' to each side of the equation.
21 + -6x + 6x = 7 + -6x + 6x

Combine like terms: -6x + 6x = 0
21 + 0 = 7 + -6x + 6x
21 = 7 + -6x + 6x

Combine like terms: -6x + 6x = 0
21 = 7 + 0
21 = 7

Solving
21 = 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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