(m+3)2=7

Solution for (m+3)2=7 equation:

Simplifying
(m + 3) * 2 = 7

Reorder the terms:
(3 + m) * 2 = 7

Reorder the terms for easier multiplication:
2(3 + m) = 7
(3 * 2 + m * 2) = 7
(6 + 2m) = 7

Solving
6 + 2m = 7

Solving for variable 'm'.

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

Add '-6' to each side of the equation.
6 + -6 + 2m = 7 + -6

Combine like terms: 6 + -6 = 0
0 + 2m = 7 + -6
2m = 7 + -6

Combine like terms: 7 + -6 = 1
2m = 1

Divide each side by '2'.
m = 0.5

Simplifying
m = 0.5