1+2+3=m+1

Solution for 1+2+3=m+1 equation:

Simplifying
1 + 2 + 3 = m + 1

Combine like terms: 1 + 2 = 3
3 + 3 = m + 1

Combine like terms: 3 + 3 = 6
6 = m + 1

Reorder the terms:
6 = 1 + m

Solving
6 = 1 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
6 + -1m = 1 + m + -1m

Combine like terms: m + -1m = 0
6 + -1m = 1 + 0
6 + -1m = 1

Add '-6' to each side of the equation.
6 + -6 + -1m = 1 + -6

Combine like terms: 6 + -6 = 0
0 + -1m = 1 + -6
-1m = 1 + -6

Combine like terms: 1 + -6 = -5
-1m = -5

Divide each side by '-1'.
m = 5

Simplifying
m = 5