Question

If x=1 y= -1, a= -2, b=3, then value of ax+by is_____

Answer 1

-5

Explanation:

ax= -2(1)= -2

by= 3(-1)= -3

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

Answer 2

- 5

Explanation:

Substitute the given values into the expression

ax + by

= (- 2 × 1) + (3 × - 1)

= - 2 + (- 3)

= - 2 - 3

= - 5