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dusya [7]
4 years ago
8

13a + 9 - 11a for 10! pts

Mathematics
2 answers:
Tema [17]4 years ago
5 0
13a + 9 - 11a
We move the terms with a in them next to each other
13a - 11a + 9
and simplify
2a + 9
Natali [406]4 years ago
3 0
The anwser is 2a+9 because you subtract
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A graph is a mathematical representation of data and numbers , It is helpful in understanding the data collected or the results obtained.

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