camposc2006 camposc2006

11-11-2019
Mathematics

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Select the expression that is equivalent to
(6.4x + 3.1) + (-2.8x + 3).
a. 9.2x + 6.1
b. -3.6x-0.1
c. 5.7x + 6
d. 3.6x + 6.1

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draftybarnfarm draftybarnfarm

11-11-2019

Answer: d.) 3.6x + 6.1

Step-by-step explanation:

Combine like terms

6.4x + 3.1 + (-2.8x) + 3

(6.4x - 2.8x) + (3.1 + 3)

3.6x + 6.1

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