3x=9x-72

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Solution for 3x=9x-72 equation: 


Simplifying
3x = 9x + -72

Reorder the terms:
3x = -72 + 9x

Solving
3x = -72 + 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.
3x + -9x = -72 + 9x + -9x

Combine like terms: 3x + -9x = -6x
-6x = -72 + 9x + -9x

Combine like terms: 9x + -9x = 0
-6x = -72 + 0
-6x = -72

Divide each side by '-6'.
x = 12

Simplifying
x = 12

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