Question

for the simultaneous eqations in variable x and y, Dx=49,dy=-63,D=7,thenfindX​

Answer 1

Answer:

for the simultaneous eqations in variable x and y, Dx=49,dy=-63,D=7,then

$x \: = \frac{Dx}{D}$

$x \: = \frac{49}{7}$

x = 7

Answer 2

Step-by-step explanation:

D = 7 Dx = 49 Dy = -63 Value of x can be calculated by - x = Dx / D x = 49 / 7 x = 7