18.9k views
21 votes
Combine like terms in expression below

2f + 9e - f + 3e

2 Answers

4 votes

Answer:

f + 12e

Step-by-step explanation

(+2f) + (+9e) + (-f) + (+3e)

(2f) + (-f) = 1f or f

9e + 3e = 12e

f + 12e

User Dchakarov
by
5.9k points
4 votes

Answer:

12e + f

Explanation:

2f - f = f

9e + 3e = 12

....

User Sisko
by
4.4k points