September 2018 1 11 Report
Tolong dijawab ya kakaak? :)
1) x+y = 2-y dan x+y = 2y-7, Tentukan nilai y!
2) Himpunan 3x = y-1 dan 6x = y+2
3) 7x + 2y = -3 dan 3x +3y = 38
4) Harga 3 buah penghapus sama dengan harga 1 buku. Jika harga 4 buku dan 3 penghapus Rp.12.000, Maka harga 1 Penghapus adalah?

Caranya dengan menghilangkan variabel ya kaak!
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