August 2018 2 159 Report
Bentuk manakah yang bukan merupakan persamaan linear dua variabel?
a. 2x + y = 5
3x - y = 6

b. x + y = 6
2x² - 3y² = 40

c. 1/x - 1/y = 7
1/x + 1/y = 8

d. 1/2 x + 1/3 y = 9
1/5 x + (-1/6 y) = 12

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