Jawapan

2016-09-26T23:14:09+08:00
Gunakan kaedah matriks pon bleh....yg 3/2 tu kena tukar dalam perpuluhan...
Try kira
tolong ajarkan boleh
emm..try kira??maksudnya???awk nak suruh saye kira brape jawapannya...
saye student... faham2 lah
okay..
2016-09-27T07:46:25+08:00
3/2x+2y = 1 ----> (1)

x-2y = 6
x = 6+2y ----> (2)

Ganti (2) ke dlm (1)
3/2(6+2y)+2y = 1
9+3y+2y = 1
5y = -10
y = -2 -----> (3)

Ganti (3) ke dlm (2)
x = 6+2y
x = 6+2(-2)
x = 2
VERY GOOD
for u
TQ
correction; 5y=18
sorry..5y=-8..y=8/5..