If point (1,2) lies on the graph of the equation ax+2ay=-3 then find a

1.	If point (1,2) lies on the graph of the equation ax+2ay=-3 then find a
Answer» <html><body><p>a=-3/5Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:substitute (1,2) in <a href="https://interviewquestions.tuteehub.com/tag/given-473447" style="font-weight:bold;" target="_blank" title="Click to know more about GIVEN">GIVEN</a> <a href="https://interviewquestions.tuteehub.com/tag/equation-974081" style="font-weight:bold;" target="_blank" title="Click to know more about EQUATION">EQUATION</a> a(1)+<a href="https://interviewquestions.tuteehub.com/tag/2a-300249" style="font-weight:bold;" target="_blank" title="Click to know more about 2A">2A</a>(2)=-3a+4a=-35a=-3a=-3/5</p></body></html>

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