-3(x-7)=2x-5x-21

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Solution for -3(x-7)=2x-5x-21 equation:


Simplifying
-3(x + -7) = 2x + -5x + -21

Reorder the terms:
-3(-7 + x) = 2x + -5x + -21
(-7 * -3 + x * -3) = 2x + -5x + -21
(21 + -3x) = 2x + -5x + -21

Reorder the terms:
21 + -3x = -21 + 2x + -5x

Combine like terms: 2x + -5x = -3x
21 + -3x = -21 + -3x

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

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

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

Solving
21 = -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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