3x+120=

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Solution for 3x+120= 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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