x-42=x*2

Solution for x-42=x*2 equation:

Simplifying
x + -42 = x * 2

Reorder the terms:
-42 + x = x * 2

Reorder the terms for easier multiplication:
-42 + x = 2x

Solving
-42 + x = 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-42 + x + -2x = 2x + -2x

Combine like terms: x + -2x = -1x
-42 + -1x = 2x + -2x

Combine like terms: 2x + -2x = 0
-42 + -1x = 0

Add '42' to each side of the equation.
-42 + 42 + -1x = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -1x = 0 + 42
-1x = 0 + 42

Combine like terms: 0 + 42 = 42
-1x = 42

Divide each side by '-1'.
x = -42

Simplifying
x = -42