Question

(m:m+5m+m×4+m×0+m:1):3=27

Answer 1

(m:m+5m+m×4+m×0+m:1):3=27
(1+5m+4m+0+m)=27×3
10m+1=81
10m=81-1
10m=80
m=80:10
m=8

Answer 2

(1+5m+4m+0+m):3=27
(1+10m):3=27 |×3
1+10m=81
10m=80
m=8