120=3x+15

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Solution for 120=3x+15 equation:


Simplifying
120 = 3x + 15

Reorder the terms:
120 = 15 + 3x

Solving
120 = 15 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
120 + -3x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
120 + -3x = 15 + 0
120 + -3x = 15

Add '-120' to each side of the equation.
120 + -120 + -3x = 15 + -120

Combine like terms: 120 + -120 = 0
0 + -3x = 15 + -120
-3x = 15 + -120

Combine like terms: 15 + -120 = -105
-3x = -105

Divide each side by '-3'.
x = 35

Simplifying
x = 35

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