Question

The sum of two numbers is 17 and their difference is 1.

Answer 1

Answer:

Let the two numbers be x and y

Case 1: x+y=17

Case 2: x-y=1

Solving simultaneously by elimination method

x+y=17

x-y=1

2x=18

x=9  

9-y=1

y=8

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Step-by-step explanation:

Answer 2

Answer:Two number are x and y

x+y = 17-_- eq¹

x-y = 1 -_- eq²

eq¹+eq²

(x+y = 17)+(x-y = 1)

2x =18

x= 9

by putting the value of x in eq¹

9+y = 17

y = 8

So the number's are 9 and 8

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