Question

find the simultaneous equation in x & y in Dx=7, Dy=10 & D=70, then what is the value of y ?​

Answer 1

By using cramers rule,

we have

x = Dx/D = 7/70 = 1/10

y = Dy/D = 10/70 = 1/7

hence

, X = 1/10, y = 1/7 is the solution of given equation.