-12x+9=-3x-18

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Solution for -12x+9=-3x-18 equation:


Simplifying
-12x + 9 = -3x + -18

Reorder the terms:
9 + -12x = -3x + -18

Reorder the terms:
9 + -12x = -18 + -3x

Solving
9 + -12x = -18 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
9 + -12x + 3x = -18 + -3x + 3x

Combine like terms: -12x + 3x = -9x
9 + -9x = -18 + -3x + 3x

Combine like terms: -3x + 3x = 0
9 + -9x = -18 + 0
9 + -9x = -18

Add '-9' to each side of the equation.
9 + -9 + -9x = -18 + -9

Combine like terms: 9 + -9 = 0
0 + -9x = -18 + -9
-9x = -18 + -9

Combine like terms: -18 + -9 = -27
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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