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5x + 3y = 9 ..... (ii)
untuk mengeliminasi y, terlebih dahulu persamaan (i) dikali 3
3x - 3y = 9
5x + 3y = 9
__________ +
8x = 18
x = 18/8
x = 9/4
untuk mendapatkan nilai y, kita subsitusikan x = 9/4 ke dalam persamaan (i)
x - y = 3
9/4 - y = 3
-y = 3 - 9/4
-y = 12/4 - 9/4
-y = 3/4
y = - 3/4
HP { 9/4 , -3/4 }
semoga bermanfaat :)