50 ROMANTIC MINIATURES: A Romantic Coloring Book, Featuring 50 Lovely Illustrations of Ador

50 ROMANTIC MINIATURES: A Romantic Coloring Book, Featuring 50 Lovely Illustrations of Ador

nilai y persamaan di bawah 3x+2y=1 2x+3y=-6

nilai y persamaan di bawah 3x+2y=1 2x+3y=-6

JAWABAN DAN CARA :

[tex]3x + 2y = 1....(1) \\ 2x + 3y = - 6....(2)[/tex]

ELIMINASI X

[tex]6x + 4y = 2 \: \: ( \times 2) \\ 6x + 9y = - 18 \: \: ( \times 3)[/tex]

_____________-

[tex]4y - 9y = 2 - ( - 18) \\ - 5y = 2 + 18 \\ - 5y = 20 \\ y = - 4[/tex]

JADI :

Nilai dari y adalah -4

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