solve the pair of equations 2 by X + 3 by y equals to 11 and 5 by x minus 4 Y = 2 - 7 hence find the value of 5 x minus 3 y

solve the pair of equations 2 by X + 3 by y equals to 11 and 5 by x mi

1.	solve the pair of equations 2 by X + 3 by y equals to 11 and 5 by x minus 4 Y = 2 - 7 hence find the value of 5 x minus 3 y
Answer» <html><body><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/equations-452536" style="font-weight:bold;" target="_blank" title="Click to know more about EQUATIONS">EQUATIONS</a> are 2x+3y=11−−−−(1)2x−4y=−24−−−−(2)<a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> (1)2x+3y=11 ⇒2x=11−3y⇒x=211−3y−−−(<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>)substituting x in(2)2x−4y=−24 ⇒2(211−3y)−4y=−24⇒11−3y−4y=−24⇒11−7y=−24⇒7y=35⇒y=35/7⇒y=5.putting y = 5 in (3) x=211−3(5)⇒x=211−15⇒x=−4/2∴x=−2.Hence x = -2 and y = 5 is the solution of the equation.Now, we have to <a href="https://interviewquestions.tuteehub.com/tag/find-11616" style="font-weight:bold;" target="_blank" title="Click to know more about FIND">FIND</a> my=mx+3 ∴m=−15=3(−2)+35−3=−2m⇒−2m=2⇒m=−</body></html>