89=111-m

Solution for 89=111-m equation:

Simplifying
89 = 111 + -1m

Solving
89 = 111 + -1m

Solving for variable 'm'.

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

Add 'm' to each side of the equation.
89 + m = 111 + -1m + m

Combine like terms: -1m + m = 0
89 + m = 111 + 0
89 + m = 111

Add '-89' to each side of the equation.
89 + -89 + m = 111 + -89

Combine like terms: 89 + -89 = 0
0 + m = 111 + -89
m = 111 + -89

Combine like terms: 111 + -89 = 22
m = 22

Simplifying
m = 22