3x+30=390

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Solution for 3x+30=390 equation: 


Simplifying
3x + 30 = 390

Reorder the terms:
30 + 3x = 390

Solving
30 + 3x = 390

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 3x = 390 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 390 + -30
3x = 390 + -30

Combine like terms: 390 + -30 = 360
3x = 360

Divide each side by '3'.
x = 120

Simplifying
x = 120

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