Question

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​

Answer 1

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