-12x-13=-12x-(-13)

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Solution for -12x-13=-12x-(-13) equation: 


Simplifying
-12x + -13 = -12x + -1(-13)

Reorder the terms:
-13 + -12x = -12x + -1(-13)

Multiply -1 * -13
-13 + -12x = -12x + 13

Reorder the terms:
-13 + -12x = 13 + -12x

Add '12x' to each side of the equation.
-13 + -12x + 12x = 13 + -12x + 12x

Combine like terms: -12x + 12x = 0
-13 + 0 = 13 + -12x + 12x
-13 = 13 + -12x + 12x

Combine like terms: -12x + 12x = 0
-13 = 13 + 0
-13 = 13

Solving
-13 = 13

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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