X+2x+x+18=126

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Solution for X+2x+x+18=126 equation:


Simplifying
X + 2x + x + 18 = 126

Reorder the terms:
18 + X + 2x + x = 126

Combine like terms: 2x + x = 3x
18 + X + 3x = 126

Solving
18 + X + 3x = 126

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + X + -18 + 3x = 126 + -18

Reorder the terms:
18 + -18 + X + 3x = 126 + -18

Combine like terms: 18 + -18 = 0
0 + X + 3x = 126 + -18
X + 3x = 126 + -18

Combine like terms: 126 + -18 = 108
X + 3x = 108

Add '-3x' to each side of the equation.
X + 3x + -3x = 108 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 108 + -3x
X = 108 + -3x

Simplifying
X = 108 + -3x

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