Relax

Respuesta :

To solve this equation we want to have only one variable m on the LHS.
m-4=2m          / +4     /we are adding 4 to both sides
m-4+4=2m+4
m=2m+4  /-2m   
-m=4               /[tex]*(-1)[/tex]
m=-4
Illuminati750
Hello, 

m-4=2m
m-4-m=2m-m
-4=m

Answer: m= -4