x+2y=7 dan 2x-3y=0 . Pake metode subtitusi. Bantu ya
Matematika
CitraChwe
Pertanyaan
x+2y=7 dan 2x-3y=0 . Pake metode subtitusi. Bantu ya
1 Jawaban
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1. Jawaban newwiguna
X+2y=7
x = 7 - 2y
2x - 3y = 0
2(7 - 2y) - 3y = 0
14 - 4y - 3y = 0
14 - 7y = 0
7y = 14
y = 2
x = 7 - 2y
x = 7 - 2(2)
x = 7 - 4
x = 3