(x+8)2=42

Solution for (x+8)2=42 equation:

Simplifying
(x + 8) * 2 = 42

Reorder the terms:
(8 + x) * 2 = 42

Reorder the terms for easier multiplication:
2(8 + x) = 42
(8 * 2 + x * 2) = 42
(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 = 26
2x = 26

Divide each side by '2'.
x = 13

Simplifying
x = 13