(X-42)*2=X+42

Solution for (X-42)*2=X+42 equation:

Simplifying
(X + -42) * 2 = X + 42

Reorder the terms:
(-42 + X) * 2 = X + 42

Reorder the terms for easier multiplication:
2(-42 + X) = X + 42
(-42 * 2 + X * 2) = X + 42
(-84 + 2X) = X + 42

Reorder the terms:
-84 + 2X = 42 + X

Solving
-84 + 2X = 42 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
-84 + 2X + -1X = 42 + X + -1X

Combine like terms: 2X + -1X = 1X
-84 + 1X = 42 + X + -1X

Combine like terms: X + -1X = 0
-84 + 1X = 42 + 0
-84 + 1X = 42

Add '84' to each side of the equation.
-84 + 84 + 1X = 42 + 84

Combine like terms: -84 + 84 = 0
0 + 1X = 42 + 84
1X = 42 + 84

Combine like terms: 42 + 84 = 126
1X = 126

Divide each side by '1'.
X = 126

Simplifying
X = 126