Jawapan

  • Pengguna Brainly
2016-02-11T20:43:07+08:00
B)9+5+8+y+12+2y+10 / 7 = y
7y = 3y + 44
4y = 44
y = 11 

C)z+2z+3z+4z+5z / 5 = 75
375 = 15z
z =25
1 5 1
macam mana blh dapat
75 tu x dgn 5
15z tu hasil tambah sume
ok terima kasih
sama sama