Question

Evaluate 7-5p+3q when p= 1 and q =7

Answer 1

23

Explanation:

If p=1, then 5p would be 5 x 1

5 x 1 = 5

And if q = 7, then 3q would be 3 x 7.

3 x 7 = 21

With that in mind, we have 2+21

2+21=23

The answer is 23.

Answer 2

23

Explanation:

7-(5*1)+(3*7)

7-5+21

2+21

23