What is the answer to 4+3p=19 ?

Answer 1

4 + 3p = 19
Subtract both sides by 4
4 - 4 + 3p = 19 - 4
You'll get
0 + 3p = 15

3p = 15
Divide both sides by 3
3p/3 = 15/3
You'll get
p = 5

Hope this helps