Respuesta :

clarch19

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

domdigio23

Answer:

20 and 27

Step-by-step explanation:

because yes that is the answer