Question

-4(5-2m)+3(m-4)=6(2-m)-5m

Answer 1

привет,
раскроем скобки
-20+8m+3m-12=12-6m-5m
-20+8m+3m-12-12+6m+5m=0
22m-44=0
22m=44
m=44/22
m=2

Answer 2

-20+8m+3m-12=12-6m-5m
8m+3m+6m+5m=12+12+20
22m=44
m=44÷22
m=2