Question

×-3y/2=5
3×-y=5y
ayuda​

Answer 1

Explicación paso a paso:

$1)x - 3y = 5 \times 2 \\ x - 3y = 10 \\ x - 10 = 3y \\ \\ 2)3x = 5y + y \\ 3x = 6y \\ x = 2y \\ reemplazamos \: \\ x - 10 = 3y \\ 2y - 10 = 3y \\ - 10 = y \\ \\ x = 2y \\ x = 2( - 10) \\ x = - 20$