Question

Quanto vale X e Y

{x-1/y=5 x=4y+3

Answer 1

Resposta:

$\frac{x - 1}{y} = 5 \\ x - 1 = 5y \\ x = 5y + 1$

$x = 4y + 3 \\ 5y + 1 = 4y + 3 \\ 5y - 4y = 3 - 1 \\ y = 2$

$x = 4y + 3 \\ x = 4 \times 2 + 3 \\ x = 8 + 3 \\ x = 11$

{X=11; Y=2}