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

asked Sep 1, 2020 32.2k views

3 votes

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

by JeniT

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4 votes

Answer: d.) 3.6x + 6.1

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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