Question

x=7 y= -4 a=2 b=-3 (ax+ay-bx-by)​

Answer 1

Answer:

= 2×7 +2(-4) - {-3(7)} - {-3(-4)}

= 14 - 8 +21 - 12

= 6 +9

= 15 answer

Answer 2

Answer:

-3

Step-by-step explanation:

First put the values which is easy,

(2*7+2*-4+-3*7+-3*-4)

Now multiply,

= (14-8-21+12)

If your sir needs more steps add this one too,

= 26-29

Now this is eez pez I think,

= -3