Answer :
Step-by-step explanation:
2a -5a +8a.
2a +8a -5a
10a -5a = 5a
14-7=7
Answer=5a+7
HEY
so you need to collect like terms so
2a-5a+8a= 5a
5a+14-7
Then 14-7=7
The answer is
5a+7
so you need to collect like terms so
2a-5a+8a= 5a
5a+14-7
Then 14-7=7
The answer is
5a+7