Question

Evaluate 4x + 8y for x= 2 and y=-2.
The value of the expression is

Answer 1

24

Explanation:

x = 2 and y = 2

4x + 8y

= 4(2) + 8(2)

= 8 + 16

= 24

NOTE: Remember that the once in the bracket are multiplying the once beside them.

Answer 2

4x+8y

on putting the value of

x=2 and y=-2

4(2)+8(-2)

8+(-16)

8-16

-8

I hope it is helpful