Question

Resolva Os Sitemas
2×+y=8
Y=2×​

Answer 1

resolução!

2x + y = 8

y = 2x

2x + 2x = 8

4x = 8

x = 8/4

x = 2

y = 2x

y = 2 * 2

y = 4

S = { x = 2 e y = 4 }