(3+b)2=22

Solution for (3+b)2=22 equation:

Simplifying
(3 + b) * 2 = 22

Reorder the terms for easier multiplication:
2(3 + b) = 22
(3 * 2 + b * 2) = 22
(6 + 2b) = 22

Solving
6 + 2b = 22

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + 2b = 22 + -6

Combine like terms: 6 + -6 = 0
0 + 2b = 22 + -6
2b = 22 + -6

Combine like terms: 22 + -6 = 16
2b = 16

Divide each side by '2'.
b = 8

Simplifying
b = 8