-42=3m

Solution for -42=3m equation:

Simplifying
-42 = 3m

Solving
-42 = 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
-42 + -3m = 3m + -3m

Combine like terms: 3m + -3m = 0
-42 + -3m = 0

Add '42' to each side of the equation.
-42 + 42 + -3m = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -3m = 0 + 42
-3m = 0 + 42

Combine like terms: 0 + 42 = 42
-3m = 42

Divide each side by '-3'.
m = -14

Simplifying
m = -14