Question

The difference between two numbers is 18.If their sum is 86,what are the numbers? ​

Answer 1

let the two no.s be x and y.

x - y = 18-----------(1)

x + y = 86-----------(2)

solve the both equations by substitution or elimination method so u would get the values of x and y.

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Answer 2

Answer:

Let two number be x and y.

For x> y

As per the statement:

The difference between two numbers is 18

⇒x - y = 18x−y=18                 .....[1]

It is also given that their sum is 86.

x+y= 86x+y=86                    .....[2]

Add equation [1] and [2] to eliminate y we have;

2x = 104

Divide both sides by 2 we have;

x = 52

Substitute the value of x in [1] we have

52- y = 18

Subtract 52 from both sides we have;

-y = -34

Multiply by -1 both sides we have;

y = 34

Therefore, the numbers are: 52 and 34.

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