Question

Resolva o sistema abaixo:​

Answer 1

x + y = 16

y = 16 - x

x . y = 63

x . ( 16 - x ) = 63

x + 16 + x = 63

2x = 16

x = 16÷2

x = 8

y = 16 - x

y= 16 - 8

y = 8

S = {( 8,8)}