Part 2
David is working through finding equivalent expressions. He is given - 2r - 5a + 12r + 10 + 5a. He thinks the correct answer is - 10a + 10 + 10r. Is David correct? Why or why not? (This can be answered by showing your work.) (1 pt) *
Yes, he is correct
No, he is not correct and the correct solution is: 10a + 14r + 10
No, he is not correct and the correct solution is: 10a + 10r + 10
No, he is not correct and the correct solution is: 10r + 10
No, he is not correct and the correct solution is: - 10a - 14r + 10
No, he is not correct and the correct solution is: 20 ar
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