Tolong Bantu kak

<p>Jawaban yang tepat adalah <strong>{(0,-6)}</strong></p><p>&nbsp;</p><p>Pembahasan :</p><p>1/2 x - 1/3y = 2 &nbsp; &nbsp; &nbsp; &nbsp;(1)</p><p>3/4 x + 2y = -12 &nbsp; &nbsp; &nbsp; &nbsp;(2)</p><p>&nbsp;</p><p>Eliminasi y untuk mendapatkan nilai x</p><p>1/2 x - 1/3y = 2 &nbsp; |dikali 24| --&gt; 12x - 8y &nbsp; = 48</p><p>3/4 x + 2y = -12 &nbsp; |dikali 4 &nbsp;| --&gt; <u>3x &nbsp; + 8y = -48&nbsp;</u> +</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;15x &nbsp; &nbsp; &nbsp; &nbsp; = 0</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x = 0</p><p>Substitusikan x = 0 ke persamaan (2)</p><p>3/4 x + 2y = -12</p><p>3/4 (0) + 2y = -12</p><p>2y = -12</p><p>y = -12 : 2</p><p>y = -6</p><p>&nbsp;</p><p>Jadi, Himpunan penyelesaiannya adalah {(0,-6)}</p>