Question

resolva os sistemas lineares

{ 5×+y=30
×-y=6​

Answer 1

resolução!

5x + y = 30

x - y = 6

6x = 36

x = 36/6

x = 6

y = 30 - 5x

y = 30 - 30

y = 0

S = { X = 6 e Y = 0 }