42=8m+m

Solution for 42=8m+m equation:

Simplifying
42 = 8m + m

Combine like terms: 8m + m = 9m
42 = 9m

Solving
42 = 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
42 + -9m = 9m + -9m

Combine like terms: 9m + -9m = 0
42 + -9m = 0

Add '-42' to each side of the equation.
42 + -42 + -9m = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -9m = 0 + -42
-9m = 0 + -42

Combine like terms: 0 + -42 = -42
-9m = -42

Divide each side by '-9'.
m = 4.666666667

Simplifying
m = 4.666666667