Matematika Sekolah Menengah Atas 2x-y=2 x-2y=3 metode eliminasi​

magaliveumulv – March 06, 2023

2x-y=2 x-2y=3 metode eliminasi​

Jawaban:

2x - y = 2 ……(1) x2 = 4x - 2y = 4

x - 2y = 3 ......(2)

Sekarang kita eliminasi y

4x - 2y = 4

x - 2y = 3

---------------- -

3x = 1

x = 1/3

masukin hasil ke persamaan 2

(1/3) - 2y = 3

2y = -3 -(1/3)

2y = -4/3

y = -8/6

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