54-3x=9x+18

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Solution for 54-3x=9x+18 equation:


Simplifying
54 + -3x = 9x + 18

Reorder the terms:
54 + -3x = 18 + 9x

Solving
54 + -3x = 18 + 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.
54 + -3x + -9x = 18 + 9x + -9x

Combine like terms: -3x + -9x = -12x
54 + -12x = 18 + 9x + -9x

Combine like terms: 9x + -9x = 0
54 + -12x = 18 + 0
54 + -12x = 18

Add '-54' to each side of the equation.
54 + -54 + -12x = 18 + -54

Combine like terms: 54 + -54 = 0
0 + -12x = 18 + -54
-12x = 18 + -54

Combine like terms: 18 + -54 = -36
-12x = -36

Divide each side by '-12'.
x = 3

Simplifying
x = 3

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