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13a + 9 - 11a for 10! pts
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2 votes
13a + 9 - 11a for 10! pts

User Vividos
by
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2 Answers

5 votes
13a + 9 - 11a
We move the terms with a in them next to each other
13a - 11a + 9
and simplify
2a + 9
User Makan
by
7.8k points
3 votes
The anwser is 2a+9 because you subtract
User Sharron
by
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