Question

what are those two numbers whose sum is 58 and difference. is 28​

Answer 1

Step-by-step explanation:

let the two numbers be x and y.

sum of two numbers = 58

x+y= 58

difference of two numbers = 28

x-y = 28

on adding both the equations,

x+y = 58

x-y = 28

_________

2x-0= 86

_________

2x= 86

x= 43

then, y= 58-x

y=58-43

y=15

Answer 2

let,

x+y= 58 (1)

x-y= 28 (2)

subtracting (1) and(2), we get

x+y=58

(-)x-y=28

we get,

2y=30

y=15

substitute y in (2),

we get x-15 =28

x=28+15

x=43

Therefore, the two numbers are 43 and 15.

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