Q5 of 266 Page 4

Solve each of the following systems of equations by the method of cross-multiplication:

Method of cross multiplication


a1x + b1y + c1 = 0


a2x + b2y + c2 = 0



Given,





⇒ 1/x = -2


⇒ x = -1/2


Also, 1/y = 4


⇒ y = 1/4


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