Answer:
7
Step-by-step explanation:
Terms are the numbers and/or variables within an equation. For example you have 5 terms in that equation:

The first term is: 
The second term is: 
The third term is: 
The fourth term is: 
The fifth term is: 
Coefficients are the numbers in front of variables (this includes negative/subtraction signs). For example you have 5 coefficients in this equation:
The first coefficient is: 3
The second coefficient is: 7
The third coefficient is: 2
The fourth coefficient is: 9
The fifth coefficient is: -5