3x-120=0

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Solution for 3x-120=0 equation: 


Simplifying
3x + -120 = 0

Reorder the terms:
-120 + 3x = 0

Solving
-120 + 3x = 0

Solving for variable 'x'.

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

Add '120' to each side of the equation.
-120 + 120 + 3x = 0 + 120

Combine like terms: -120 + 120 = 0
0 + 3x = 0 + 120
3x = 0 + 120

Combine like terms: 0 + 120 = 120
3x = 120

Divide each side by '3'.
x = 40

Simplifying
x = 40

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