Question

-2.5 x ? = 9.25
-5 x ? = -17

diganme que va en ? porfa

Answer 1

$-2.5 x = 9.25 \\ \\ x= - \frac{9.25}{2.5} \\ \\ x= -3.7 \\ \\Comprobacion: \\ \\ 2.5x= 9.25 \\ \\ -2.5(-3. 7) = 9.25 \\ \\ 9.25= 9.25 \\ \\ -5x= -17 \\ \\(-1) -5x= -17(-1) \\ \\ 5x= 17 \\ \\ x= \frac{17}{5}$

Saludos!!