Question

the sum of two number are 15 and the dirffenrt is 7

Answer 1

Answer:

x + y = 15

x - y = 7

2y = 8 (Eliminating x)

y = 4.

So x = 7 + 4 = 11.

Step-by-step explanation:

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Answer 2

Answer:

let numbers be x and y

x+ y =15 ......(1)

x-y =7 .......(2)

adding 1 and 2 we get

x+y+x-y=15+7

2x=22

x= 11

y= 15-11=4

hence the numbers are 11 and 4