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21 is divided into two parts such that 7 times the first part added to 5 times the second part make 145. The first part is : *​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p><strong><a href="https://interviewquestions.tuteehub.com/tag/first-461760" style="font-weight:bold;" target="_blank" title="Click to know more about FIRST">FIRST</a> </strong><strong><a href="https://interviewquestions.tuteehub.com/tag/part-596478" style="font-weight:bold;" target="_blank" title="Click to know more about PART">PART</a>=</strong><strong> </strong><strong><a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a></strong></p><p><strong>Second</strong><strong> </strong><strong>part=</strong><strong> </strong><strong>(</strong><strong>1</strong><strong>4</strong><strong>5</strong><strong>-</strong><strong>x</strong><strong>)</strong></p><p></p><p><strong>7</strong><strong>x</strong><strong>+</strong><strong>5</strong><strong>(</strong><strong>1</strong><strong>4</strong><strong>5</strong><strong>-</strong><strong>x</strong><strong>)</strong><strong>=</strong><strong> </strong><strong>(</strong><strong>1</strong><strong>4</strong><strong>5</strong><strong>-</strong><strong>x</strong><strong>)</strong></p><p><strong>7</strong><strong>x</strong><strong>+</strong><strong>7</strong><strong>2</strong><strong>5</strong><strong>-</strong><strong>5</strong><strong>x</strong><strong> </strong><strong>=</strong><strong> </strong><strong>1</strong><strong>4</strong><strong>5</strong><strong>-</strong><strong>x</strong></p><p><strong>2</strong><strong>x</strong><strong>+</strong><strong>7</strong><strong>2</strong><strong>5</strong><strong> </strong><strong>=</strong><strong> </strong><strong>1</strong><strong>4</strong><strong>5</strong><strong> </strong><strong>-x </strong></p><p><strong>2</strong><strong>x</strong><strong>-</strong><strong>x</strong><strong>=</strong><strong> </strong><strong>1</strong><strong>4</strong><strong>5</strong><strong>-</strong><strong>7</strong><strong>2</strong><strong>5</strong><strong> </strong></p><p><strong>x </strong><strong>=</strong><strong> </strong><strong> </strong><strong> </strong><strong>-</strong><strong> </strong><strong>6</strong><strong>2</strong><strong>0</strong></p><p></p><p></p><p></p><p></p><p></p><p></p><p></p></body></html>


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