Answer:
m+2m-6= -12+2m
or,3m-2m= -12+6
or,m= -6
m= -6
step by step explanation:
[tex]m + 2m - 6 = - 12 + 2m \\ 3m - 6 = - 12 + 2m \\ 3m - 2m = - 12 + 6 \\ m = - 6[/tex]