Question

slove x+y=14 & x-y=4​

Answer 1

Answer:

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Answer 2

Answer:

x = 9

y = 5

Step-by-step explanation:

x + y = 14 .....(1)

x - y = 4 ..... (2)

On adding eq. (1) and eq. (2) , we get

=> x + y + ( x - y ) = 14 + 4

=> x + y + x - y = 18

=> 2x = 18

=> x = 9 .... (3)

Hence, x = 9

From eq. (1) and eq. (3), we get,

x + y = 14

=> 9 + y = 14

=> y = 14 - 9

=> y = 5

Hence, y = 5

Thus,

x = 9

y = 5

VERIFICATION :-

By applying the values of x and y in eq. (1) , we get

x + y = 14

=> 9 + 5 = 14

=> 14 = 14

L. H. S. = R. H. S.

Hence the condition is satisfied.

By applying the values of x and y in eq. (2) , we get

x - y = 4

=> 9-5 = 4

=> 4 = 4

L. H. S. = R. H. S.

Hence the condition is satisfied.

So,

x = 9

y = 4