Question

what are those two numbers whose sum is 58 and difference is 28
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Answer 1

Answer:

let the numbers be x, y.

sum of two numbers = x +y

difference is = x-y

x + y = 58

x - y = 28.

hence 2x = 30

x = 15.

substitute

15 + y = 58.

y = 58-15

= 43.

Answer 2

Question:

What are those two numbers whose sum is 58 and difference is 28

Solution:

Let "x" and "y" represent the two numbers.

x + y = 58  ⇒ (1)

x - y = 28   ⇒ (2)

Adding 1 and 2, we get:

$2x=86$

$\frac{2x}{2} = \frac{86}{2}$

$x = 43$

Find y:

= 58 - 43

= 15

Answer:

The two numbers are 43 and 15.