-12x-30+9x=18

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Solution for -12x-30+9x=18 equation:


Simplifying
-12x + -30 + 9x = 18

Reorder the terms:
-30 + -12x + 9x = 18

Combine like terms: -12x + 9x = -3x
-30 + -3x = 18

Solving
-30 + -3x = 18

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + -3x = 18 + 30

Combine like terms: -30 + 30 = 0
0 + -3x = 18 + 30
-3x = 18 + 30

Combine like terms: 18 + 30 = 48
-3x = 48

Divide each side by '-3'.
x = -16

Simplifying
x = -16

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