Question

(i) x+y=14
x-y=4 विलोपन विधि से​

Answer 1

Answer:

By adding both the equations we get 2x = 18 and x = 9

As x+y = 14 implies 9+y = 14 and y = 5

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Answer 2

Answer:

x+y=14

x=14-y

now, 14-y-y=4

-2y=4-14

-2y=-10

y=5

since y = 5

therefore x=9