1=m-3+m

Solution for 1=m-3+m equation:

Simplifying
1 = m + -3 + m

Reorder the terms:
1 = -3 + m + m

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

Solving
1 = -3 + 2m

Solving for variable 'm'.

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

Add '-2m' to each side of the equation.
1 + -2m = -3 + 2m + -2m

Combine like terms: 2m + -2m = 0
1 + -2m = -3 + 0
1 + -2m = -3

Add '-1' to each side of the equation.
1 + -1 + -2m = -3 + -1

Combine like terms: 1 + -1 = 0
0 + -2m = -3 + -1
-2m = -3 + -1

Combine like terms: -3 + -1 = -4
-2m = -4

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

Simplifying
m = 2