Seudónimo Seudónimo
  • 09-11-2020
  • Mathematics
contestada

The sum of two numbers is 28 and their
difference is 4. Find the numbers.

Respuesta :

nadiaoh08
nadiaoh08 nadiaoh08
  • 09-11-2020
18+10 hope this helps :)
Answer Link
aleeshasaji
aleeshasaji aleeshasaji
  • 09-11-2020

Answer:

Two numbers are 16 and 12

Step-by-step explanation:

Let x and y be the numbers

x + y = 28      (1)

x - y = 4         (2)

y = x - 4         (2')

sub (2') into (1)

x + x - 4 = 28

2x = 32

x = 16

Sub x value into equation (1)

16 + y = 28

y = 28 - 16

y = 12

Answer Link

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