Ada yg tau cara nomor 2 ga? Yg tau tlg jawab ya.... Lupa caranya

5 ribuan = x
0 ribuan = y
20 ribuan = z

5000x + 10000y + 20000z = 160000
x + 2y + 4z = 32 ... (1) ✔

y = x + 6
x - y = -6 ... (2) ✔

z = 2x
2x - z = 0 ... (3) ✔

jawabannnya (B) x+2y+4z=32,x-y=-6,dan 2x-z=0
#maafkalosalah