Question

विलोपन विधि.


7x-15y=2
x+2y=3


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Answer 1

Answer:

7x-15y=2

x+2y=3 X 7

7x-15y=2

7x+14y=21

by subtracting second equation from first

-15y-14y=2-21

-29y=-19

y=19/29

X=3-2y

=3-2*19/29

=3-38/29

=(87-38) /29

=39/29