12-6m-5m=3m-12-20+8m
12-11m=11m-32
44=22m
m=44/22=2
6(2-m)-5m=3(m-4)-4(5-2m)
12+12+20=3m+8m+6m+5m
m=22÷44
m=0,5
12-6m-5m=3m-12-20+8m
12-11m=11m-32
44=22m
m=44/22=2
6(2-m)-5m=3(m-4)-4(5-2m)
12-6m-5m=3m-12-20+8m
12+12+20=3m+8m+6m+5m
44=22m
m=22÷44
m=0,5