Question

for simultaneous equation in variables x and y , if D =4 , DX = 2 , AND DY = 8find the values of y​

Answer 1

Answer:

Hi everyone

Step-by-step explanation:

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Answer 2

Answer:

Dx=25

Dy=50

at D=5

⇒5x=25

⇒x=

5

25

=5

5y=50

⇒y=

5

50

=10

⇒x=5.