After simplifying, which expressions are equivalent? Check all that apply. (3.4a – 1.7b) + (2.5a – 3.9b) (2.5a + 1.6b) + (3.4a + 4b) (–3.9b + a) + (–1.7b + 4.9a) –0.4b + (6b – 5.9a) 5.9a – 5.6b

Question

please answer this question as soon as possible. thank you :)

Answer 1

1. 5.9a-5.6b
2. 5.9a+5.6b
3. -5.6b+5.9a
4. 5.6b-5.9a
5. 5.9a-5.6b

1, 3 and 5 are the same.

Answer 2

1,3,5 are all the same. 2,4 arent