Question

1.
1
(1) x + y = 14
x-y=4​

Answer 1

Answer:

given

x + y = 14 ...(1)

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

add equation (1) & (2)

2x = 18

x = 9

and

y = 5

..................

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Answer 2

Answer:

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

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

Adding (1) & (2):

x+y+x-y= 14+4

2x= 18

x= 9

Put value of x=9 in (2):

9-y=4

y-9= -4

y= -4+9

y=5

Hence , x= 9 and y= 5