Question

6+9+5 - (q-p) + 15: use p = 1, and q=1

Answer 1

35

Explanation:

6+9+5 - (q-p) + 15

Let p=1 and q=1

6+9+5 - (1-1) + 15

Parentheses first

6+9+5 - 0 + 15

Add and subtract from left to right

15+5-0+15

20-0+15

20+15

35