x=2y+7 3x-2y=3 tolong dijawab
Matematika
Zahraramadhani1
Pertanyaan
x=2y+7
3x-2y=3
tolong dijawab
3x-2y=3
tolong dijawab
1 Jawaban
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1. Jawaban stefanigifta
x = 2y + 7
3x - 2y = 3
3(2y + 7) - 2y = 3
(6y + 21) - 2y = 3
6y - 21 - 2y = 3
6y - 2y = 3 + 21
4y = 24
y = 24/4
y = 6
x = 2y + 7 = 12 + 7 = 19