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CBSE Class 10 Answered

linear equations
Asked by | 31 May, 2009, 02:45: PM
answered-by-expert Expert Answer

(    px+qy = o   ) × l ...........1

(    lx+my = n    ) × p..............2

eq 1 -eq 2

y(lq-mp)=ol-np

y = (ol -np)/(lq-mp)

put in eq (px+qy=o),we get,

x= (om-nq)/(mp-lq)

Answered by | 31 May, 2009, 10:41: PM

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