okpalekechioma39
okpalekechioma39 okpalekechioma39
  • 01-06-2020
  • Mathematics
contestada

The sum of two numbers is 19.Their difference is 5. Find the number 5

Respuesta :

mentalweirdo
mentalweirdo mentalweirdo
  • 01-06-2020

So first we were to told that the sum of 2 numbers add to 19

a+b=19---------(1)

and they subtract to 5

a-b=5-----------(2)

These are two simultaneous equation and can be solved by elimination:

(1) + (2):

(a+b)+(a-b)=19+5

2a=24

a=12

12+b=19

b=7

So the two numbers are 12 and 7

Answer Link
kthurmondguess61
kthurmondguess61 kthurmondguess61
  • 24-01-2021

Answer:

12 and 7

Step-by-step explanation:

Answer Link

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