(m+3)+(m+4)=

Solution for (m+3)+(m+4)= equation:

Simplifying
(m + 3) + (m + 4) = 0

Reorder the terms:
(3 + m) + (m + 4) = 0

Remove parenthesis around (3 + m)
3 + m + (m + 4) = 0

Reorder the terms:
3 + m + (4 + m) = 0

Remove parenthesis around (4 + m)
3 + m + 4 + m = 0

Reorder the terms:
3 + 4 + m + m = 0

Combine like terms: 3 + 4 = 7
7 + m + m = 0

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

Solving
7 + 2m = 0

Solving for variable 'm'.

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

Add '-7' to each side of the equation.
7 + -7 + 2m = 0 + -7

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

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

Divide each side by '2'.
m = -3.5

Simplifying
m = -3.5