Question

for simultaneous equation x and y if Dx=7, Dy=10 and D=70 then what is the value of y​

Answer 1

Answer:

We know that ,

$\frac{dy}{d} = y$

$\frac{10}{70} = y$

$y = \frac{1}{7}$

Answer 2

Answer:

Dx=15, Dy=21, D=70 find the X and y