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