find the sum of a,2a,3a,-4a,9a
Answers
Answered by
0
Answer:
11a
Step-by-step explanation:
the answer is 11a.
a+2a+3a-4a+9a
6a-4a+9a
2a+9a
11a
Answered by
0
Answer:
a+2a+3a+9a=15a + (-4a)=15a-4a =11a
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