-3x=12x+9

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


Simplifying
-3x = 12x + 9

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

Solving
-3x = 9 + 12x

Solving for variable 'x'.

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

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

Combine like terms: -3x + -12x = -15x
-15x = 9 + 12x + -12x

Combine like terms: 12x + -12x = 0
-15x = 9 + 0
-15x = 9

Divide each side by '-15'.
x = -0.6

Simplifying
x = -0.6

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