Question

for simultaneous equation in variables x and y ,if Dx = 49 , Dy = - 63 ,D = 7 ,then what is the value of x?
(a) 7
(b) -7
(c) 1/7
(d) -1/7
what is the value of x
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Answer 1

Answer:

itz option c)

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Answer 2

Answer:

itz option c)

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