Question

Which value of p is the solution of 5p - 1 = 2p +20?

1) 19/7

2) 19/3

3) 3

4) 7

Answer 1

So, 5p - 2p = 20 + 1;

3p = 21;

p = 21÷3;

p = 7.

The correct answer is 4).