Respuesta :

Answer:

Divide both sides by 21.

7/21=21m/21

1/3=m

So, m is equal to 1/3.

totogeydi

Answer:

m=13

Step-by-step explanation:

Step 1: Flip the equation.

21m=7

Step 2: Divide both sides by 21.

21m21=721

m=13