Question

To simplify a given expression, a student followed the steps below. Which property was applied in line 4?

Line 1: -2 (4 - 7) + 8 = (-2 * 4) + (-2 * -7) + 8
Line 2: = -8 + 14 + 8
Line 3: = -8 + (8 + 14)
Line 4: = (-8 + 8) + 14
Line 5: = 0 + 14
Line 6: = 14

A) Commutative Property of Addition
B) Addition Property of Equality
C) Distributive Property
D) Associative Property of Addition

Answer 1

@MATTW20

Answer 2

A

Answer 3

thank you

Answer 4

The sum of three consecutive numbers is eight more than twice the lowest number. What are the three numbers?
A.
3, 4, 5
B.
–11, –12, –13
C.
11, 12, 13
D.
5, 6, 7

Answer 5

D