Question

How do you solve 4 p -3 for p =20?

Answer 1

4 times 20 is 80, then you just subtract the 3 from 80 to get 77.

Answer 2

You can substitute in the vale of 20 for p in the equation:

4p - 3
= 4(20) - 3
= 80 - 3
= 77

Hope this helps! :)