Page 24 - 8616__3.-Modul-Ajar-Perbandingan-Trigonometri-%28Aplikasi%29
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Eliminasi variabel y
3 + 2 = 21 × 7 21 + 14 = 147
× 2 10 − 14 = 8
5 − 7 = 4
+
31 = 155
155
=
31
= 5
∴ ({5,3})
