Question

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Answer 1

See below.

Explanation:

1.

2a + 3 * (1 + 2) = 2a + 9: Yes. Expression is equivalent.

2.

33v = (3 * v) * 11: Yes. Expression is equivalent.

3.

3b - 19 + 2b = 3b + 19 - 2b: No. Both expressions are different answers.

4.

4(3c - 4) = 2(6c - 8): No. expressions are not equivalent.