Jawapan

2015-08-08T11:37:22+08:00
Jumlah
= min X bilangan
= 8(5)
= 40

(x-1) + (x+3) + (2x+1) + (x+5) + (2x-3) = 40
x+x+2x+x+2x-1+3+1+5-3 = 40
7x + 5 = 40
7x = 40 - 5
7x = 35
x = 35/7
x = 5