M+8-3+M=

Solution for M+8-3+M= equation:

Simplifying
M + 8 + -3 + M = 0

Reorder the terms:
8 + -3 + M + M = 0

Combine like terms: 8 + -3 = 5
5 + M + M = 0

Combine like terms: M + M = 2M
5 + 2M = 0

Solving
5 + 2M = 0

Solving for variable 'M'.

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

Add '-5' to each side of the equation.
5 + -5 + 2M = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 2M = 0 + -5
2M = 0 + -5

Combine like terms: 0 + -5 = -5
2M = -5

Divide each side by '2'.
M = -2.5

Simplifying
M = -2.5