Question

The sum of two numbers is seven and the difference is one what are the two numbers

Answer 1

Step-by-step explanation:

Let one number be x.The sum of 2 numbers is

7.

Let other number be y.

y+x = 7

y =7-x

Their difference is 1

So x - ( 7-x )= 1

x - 7 + x = 1

2x - 7 = 1

2x = 1+7

2x= 8

x = 8/2

x= 4

y= 7-x=7-4=3

the two numbers are 3 and 4

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Answer 2

Let the numbers be x and y.

x+y = 7     ..............(1)

x-y = 1      ...............(2)

(1)+(2)

2x = 8

x = 4

y = 3