beckr28 beckr28
  • 11-06-2021
  • Mathematics
contestada

the sum of two numbers is 47 and the difference is 7. what are the numbers?

Respuesta :

clarch19
clarch19 clarch19
  • 11-06-2021

Answer:

27, 20

Step-by-step explanation:

x + y = 47

x - y = 7

if we solve the second equation for 'x' we can:

let 'x' = y+7

substitute that expression for 'x' in the first equation to get:

y+7 + y = 47

2y = 40

y = 20

now find 'x':

x - 20 = 7

x = 27

Answer Link
domdigio23
domdigio23 domdigio23
  • 11-06-2021

Answer:

20 and 27

Step-by-step explanation:

because yes that is the answer

Answer Link

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