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Solve for x and y of the following eq. 4x+6/y=15 6x-8/y=14 |
Answer» <html><body><h2>✠<u>A</u><u>N</u><u>S</u><u>W</u><u>E</u><u>R</u>♣</h2><p>x=2.65 and y=4.24</p><h2>✠<u>EXPLANATION</u>♣</h2><p>WE CAN <a href="https://interviewquestions.tuteehub.com/tag/solve-647535" style="font-weight:bold;" target="_blank" title="Click to know more about SOLVE">SOLVE</a> THIS WITH 2 <a href="https://interviewquestions.tuteehub.com/tag/ways-25480" style="font-weight:bold;" target="_blank" title="Click to know more about WAYS">WAYS</a> </p><ul><li>SUBSTITUTION</li><li>ELIMINATION</li></ul><p><img align="absmiddle" alt="\large\mathcal\pink{SUBSTITUTION}" class="latex-formula" id="TexFormula1" src="https://tex.z-dn.net/?f=%5Clarge%5Cmathcal%5Cpink%7BSUBSTITUTION%7D" title="\large\mathcal\pink{SUBSTITUTION}"/></p><p></p><p>⟼4x+6/y=15 </p><p>⟼4x=15y/6</p><p>⟼x=5y/8</p><h3>✠<u>P</u><u>u</u><u>t</u> <u>the</u> <u><a href="https://interviewquestions.tuteehub.com/tag/value-1442530" style="font-weight:bold;" target="_blank" title="Click to know more about VALUE">VALUE</a></u> <u>of</u> <u>x</u> <u>in</u> <u>2</u><u>n</u><u>d</u> <u>equation</u>♣</h3><p>⟹6x-8/y=14</p><p>⟹30y/8-8/y=14</p><p>⟹15y/4-8/y=14</p><p>⟹(15y²-32)/4y=14</p><p>⟹15y²-32=56y</p><p>⟹15y²-56y-32=0</p><p>⟹y=4.24</p><h3>✠<u>put</u> <u>the</u> <u>value</u> <u>of</u> <u>y</u>♣</h3><p>⟼x=5y/8</p><p>⟼x=2.65</p><p></p><p></p><p></p><p></p></body></html> | |