X+2x+x+3=42

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Solution for X+2x+x+3=42 equation:


Simplifying
X + 2x + x + 3 = 42

Reorder the terms:
3 + X + 2x + x = 42

Combine like terms: 2x + x = 3x
3 + X + 3x = 42

Solving
3 + X + 3x = 42

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + X + -3 + 3x = 42 + -3

Reorder the terms:
3 + -3 + X + 3x = 42 + -3

Combine like terms: 3 + -3 = 0
0 + X + 3x = 42 + -3
X + 3x = 42 + -3

Combine like terms: 42 + -3 = 39
X + 3x = 39

Add '-3x' to each side of the equation.
X + 3x + -3x = 39 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 39 + -3x
X = 39 + -3x

Simplifying
X = 39 + -3x

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