120=1+x+2+x+3+x

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Solution for 120=1+x+2+x+3+x equation:


Simplifying
120 = 1 + x + 2 + x + 3 + x

Reorder the terms:
120 = 1 + 2 + 3 + x + x + x

Combine like terms: 1 + 2 = 3
120 = 3 + 3 + x + x + x

Combine like terms: 3 + 3 = 6
120 = 6 + x + x + x

Combine like terms: x + x = 2x
120 = 6 + 2x + x

Combine like terms: 2x + x = 3x
120 = 6 + 3x

Solving
120 = 6 + 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 = 6 + 3x + -3x

Combine like terms: 3x + -3x = 0
120 + -3x = 6 + 0
120 + -3x = 6

Add '-120' to each side of the equation.
120 + -120 + -3x = 6 + -120

Combine like terms: 120 + -120 = 0
0 + -3x = 6 + -120
-3x = 6 + -120

Combine like terms: 6 + -120 = -114
-3x = -114

Divide each side by '-3'.
x = 38

Simplifying
x = 38

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