How do you evaluate 7r - 15/s - 117r15s11 when r = 3r=3 and s = 5s=5?

1 Answer
Mar 25, 2018

7

Explanation:

Given:
The expression 7r - 15/s- 117r15s11 and r = 3 and s = 5;

We substitute the respective values in the expression:
:. 7*3 - cancel(15)/cancel(5) -11 = 21 - 3 - 11 = color(red)(7)