(x-18)6=42

Solution for (x-18)6=42 equation:

Simplifying
(x + -18) * 6 = 42

Reorder the terms:
(-18 + x) * 6 = 42

Reorder the terms for easier multiplication:
6(-18 + x) = 42
(-18 * 6 + x * 6) = 42
(-108 + 6x) = 42

Solving
-108 + 6x = 42

Solving for variable 'x'.

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

Add '108' to each side of the equation.
-108 + 108 + 6x = 42 + 108

Combine like terms: -108 + 108 = 0
0 + 6x = 42 + 108
6x = 42 + 108

Combine like terms: 42 + 108 = 150
6x = 150

Divide each side by '6'.
x = 25

Simplifying
x = 25