Question

The average of two numbers is 7 and three times their difference is 18. Find the numbers.

Answer 1

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a-b = 18...........(1)

a+b = 14............(2)

Adding (1) and (2) we get

2a = 32

a = 16

So, b = -2

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Answer 2

Answer:10,4

Step-by-step explanation:

Let the numbers be x and y.

A.T.Q.

x+y/2=7

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

3(x-y)=18

x-y=6

x=y+6

Put the value of x in equ.1

x+y=14

y+6+y=14

2y=8

y=4

x=(4+6)=10

y=4