Respuesta :
Answer:
7x is your answer
Step-by-step explanation:
Both of these numbers are like terms so you just combine them to get 7x
Add like terms:
5x+2x=7x
They are like terms because they have the same variable/combination of variables in front of them.
5x+2x=7x
They are like terms because they have the same variable/combination of variables in front of them.