Question

Evaluate 8x-4y when x=2 and y=3 (a)4 (b)28 (c)22 (d)18​

Answer 1

(a) 4

Explanation:

Let's start with the equation:

8x-4y

Since we already have the values of x and y, we can solve out equation.

8(2)-4(3)

16-12=4

The answer is (a)4