x+3x*2=120

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Solution for x+3x*2=120 equation: 


Simplifying
x + 3x * 2 = 120

Reorder the terms for easier multiplication:
x + 3 * 2x = 120

Multiply 3 * 2
x + 6x = 120

Combine like terms: x + 6x = 7x
7x = 120

Solving
7x = 120

Solving for variable 'x'.

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

Divide each side by '7'.
x = 17.14285714

Simplifying
x = 17.14285714

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