Jawapan

Jawapan Paling Bijak!
2016-06-11T23:06:02+08:00
1) 5n-4 per3 = n
    5n - 4 = 3n
    2n = 4
    n = 2

2) 
n-1 = n+3 per 2
    2n - 2 = n + 3
    n = 5
1 5 1