Respuesta :

Answer:

- 5

Step-by-step explanation:

Substitute the given values into the expression

ax + by

= (- 2 × 1) + (3 × - 1)

= - 2 + (- 3)

= - 2 - 3

= - 5

Answer:

-5

Step-by-step explanation:

ax= -2(1)= -2

by= 3(-1)= -3

ax+by=-2+-3=-5