Respuesta :
-3=6m+5+4
add 5+4 = 9
-3=6m+9
subtract 9 from both sides
-12=6m
divide 6 from both sides
-2=m
add 5+4 = 9
-3=6m+9
subtract 9 from both sides
-12=6m
divide 6 from both sides
-2=m