x+20+2x+22=18

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Solution for x+20+2x+22=18 equation:


Simplifying
x + 20 + 2x + 22 = 18

Reorder the terms:
20 + 22 + x + 2x = 18

Combine like terms: 20 + 22 = 42
42 + x + 2x = 18

Combine like terms: x + 2x = 3x
42 + 3x = 18

Solving
42 + 3x = 18

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 3x = 18 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 18 + -42
3x = 18 + -42

Combine like terms: 18 + -42 = -24
3x = -24

Divide each side by '3'.
x = -8

Simplifying
x = -8

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