Jawabanmu

2014-04-26T22:25:50+07:00
Karena A=66 jadi ... 66=6z , z = 11 trus 180 kurangi 66 = 114 .. (9.11+y)=114
99+y=114 ... y=15
2014-04-26T22:40:47+07:00
6z = 66
z = 11

9z+y = 180-66
9*11+y = 114
y = 15

jadi y = 15, z = 11

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