Jawapan

2016-09-26T22:39:14+08:00
Jawapan

y=-2
x=-4

betul ke?
x=4
try kira keseluruhan ok
Jawapan Paling Bijak!
2016-09-26T22:52:28+08:00
3/2x +y=1(1) & x-2y=6(2)... y=1- 3/2x~~~(3) Gantikan (3) dlm (2).. x-2(1-3/2x)=6... x-2+3x=6.... 4x=6+2.... 4x=8... x=2.... Gantikan x=2 ke dlm (3) y=1-3/2x... y=1-3/2(2) y=1-3 y=-2
1 5 1
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