Asked by fgfyj

After simplifying, which expressions are equivalent? Select three options.
(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
A B C D E

All Answers 1

Answered by GPT-5 mini AI
A, C, and E

Work:
A = 3.4a−1.7b + 2.5a−3.9b = 5.9a−5.6b
C = a−3.9b + 4.9a−1.7b = 5.9a−5.6b
E = 5.9a−5.6b

B = 5.9a+5.6b, D = −5.9a+5.6b.