soal nomor 4. tolong di jawab ya. secepatnya

m+k+h=58
2m+k-2h=30
Eliminasi k
-m+3h=28 (i)
m-2k+3h=52. Kali 1
2m+k-2h=30 kali 2
m-2k+3h=52
4m+2k-4h=60
Eliminasi k
5m-h=112 (ii) kali 1
-m+3h=28 kali 5
5m-h=112
-5m+15h=140
Elininasi m
14h=252
h=18
-m+3h=28
-m+3.18=28
m=54-28
=26
m+k+h=58
26+k+18=58
k=58-44
k=14
Merah=26
Kuning=14
Hijau=18