-12-13x=-9x

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Solution for -12-13x=-9x equation:


Simplifying
-12 + -13x = -9x

Solving
-12 + -13x = -9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '9x' to each side of the equation.
-12 + -13x + 9x = -9x + 9x

Combine like terms: -13x + 9x = -4x
-12 + -4x = -9x + 9x

Combine like terms: -9x + 9x = 0
-12 + -4x = 0

Add '12' to each side of the equation.
-12 + 12 + -4x = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -4x = 0 + 12
-4x = 0 + 12

Combine like terms: 0 + 12 = 12
-4x = 12

Divide each side by '-4'.
x = -3

Simplifying
x = -3

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