mohon bantuannya
[tex] {5x}^{2} + {9y }^{2} = 45 \ \\ 5x - 3y = 15[/tex]
[tex] {x }^{2} + {y}^{2} = 25 \\ x = y + 1[/tex]
[tex] {5x}^{2} + {9y }^{2} = 45 \ \\ 5x - 3y = 15[/tex]
[tex] {x }^{2} + {y}^{2} = 25 \\ x = y + 1[/tex]