Question

x + y = 32
2x + 5y = 115
ayuda xfa ​

Answer 1

Respuesta:

$x + y = 32 \\ x = 32 - y \\ 2(32 - y) + 5y = 115 \\ 64 - 2y + 5y = 115 \\ 3y = 51 \\ y = 17 = \\ x + 17 = 32 \\ x = 15$

$x = 15 \\ y = 17 \\ 15 + 17 = 32 \\ 2(15) + 5(17) = 115$