Question

determine dois numeros,sendo a soma 60 e a diferenca deles e 16?

Answer 1

 x + y = 60

x - y = 16

x = 16 +y

x + y = 60

16 + y + y = 60

2y = 60 - 16

2y = 44

y = 22

x = 16 + y

x = 16 + 22

x = 38

S={38, 22}