21x+105-84=21x+105

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Solution for 21x+105-84=21x+105 equation:


Simplifying
21x + 105 + -84 = 21x + 105

Reorder the terms:
105 + -84 + 21x = 21x + 105

Combine like terms: 105 + -84 = 21
21 + 21x = 21x + 105

Reorder the terms:
21 + 21x = 105 + 21x

Add '-21x' to each side of the equation.
21 + 21x + -21x = 105 + 21x + -21x

Combine like terms: 21x + -21x = 0
21 + 0 = 105 + 21x + -21x
21 = 105 + 21x + -21x

Combine like terms: 21x + -21x = 0
21 = 105 + 0
21 = 105

Solving
21 = 105

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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