Question

for simultaneous equations in variable x and y, if Dx=-32, Dy=56 and D=-8 then what is x?​

Answer 1

Answer:

Dx=25

Dy=50

at D=5

⇒5x=25

⇒x=

5

25

=5

5y=50

⇒y=

5

50

=10

⇒x=5.

Step-by-step explanation:

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