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The sum of 2 times a number and 3 times another is 4. The first number minus the second number is 3. What are the numbers? |
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/1st-283090" style="font-weight:bold;" target="_blank" title="Click to know more about 1ST">1ST</a> no=x</p><p>2nd no=y</p><p></p><p>2x+3y=4.(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)</p><p></p><p>x-y=3(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)</p><p></p><p>from(2)</p><p>x=3+y</p><p></p><p>putting in(1)</p><p>2(3+y)+3y=4</p><p>6+2y+3y=4</p><p>6+5y=4</p><p>5y=4-6</p><p>y=-2/5=-0.4</p><p></p><p>x=3-2/5=3-0.4=2.6</p><p></p><p></p><p></p></body></html> | |