Answer :
5+10p+13 <--remove the parentheses
And now just add like terms
(10p)+(5+13)
10p+18 <---answer
And now just add like terms
(10p)+(5+13)
10p+18 <---answer
Now, here, we need to combine like terms.
5 and 13 are like terms.
5+13 = 18
Final answer: 10p + 18
5 and 13 are like terms.
5+13 = 18
Final answer: 10p + 18