Answer:
23
Step-by-step explanation:
7-(5*1)+(3*7)
7-5+21
2+21
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.
