Question

The sum of 13x and 3x

Answer 1

Answer:

13x+3x

16x

Step-by-step explanation:

Sum means add

13x + 3x

We can combine like terms

13x+3x

x(13+3)

x(16)

16x

Answer 2

Answer:

16x

Step-by-step explanation:

Adding like terms is like adding with the variable normaly

so 13+3=16 and and the x so

13x+3x=16x