Question

m-n=12
m+p=14
m+r=16
m+s=18
n+p+r+s=42

Answer 1

Aflam ,,M,,.
12+14+16+18=26+16+18=42+18=60
60-42= 18.M=18
Aflam ,,n,,.
18-n=12 n=18-12 n=6
Aflam ,,p,,.
18+p=14 p=18-14 p=4
Aflam ,,r,,.
18+r=16 r=18-16 r=2
Aflam ,,s,,.
18+s=18 s=18-18 s=0