2(x+2)-20=42

Solution for 2(x+2)-20=42 equation:

Simplifying
2(x + 2) + -20 = 42

Reorder the terms:
2(2 + x) + -20 = 42
(2 * 2 + x * 2) + -20 = 42
(4 + 2x) + -20 = 42

Reorder the terms:
4 + -20 + 2x = 42

Combine like terms: 4 + -20 = -16
-16 + 2x = 42

Solving
-16 + 2x = 42

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 2x = 42 + 16

Combine like terms: -16 + 16 = 0
0 + 2x = 42 + 16
2x = 42 + 16

Combine like terms: 42 + 16 = 58
2x = 58

Divide each side by '2'.
x = 29

Simplifying
x = 29