k - 7 = 8
k=15
What property is being used in this equation?
9 x 2 = 2 x 9
Commutative Prperty
−6k + 7k
k
What is the area of a rectangle 3 yards by 10 yards?
302 yds
2/3*1/5
2/15
- 4 y = 52
y=-13
What property is being used in this equation?
(5 x 8) x 10 = 5 x (8 x 10)
Associative
−2x + 11 + 6x
4x + 11
What is the perimeter of a rectangle 5ft by 7ft?
24 ft
3/8 div 1/4
2/3
4b - 11 = - 15
b = -1
What property is being used in this equation?
625 x 0 = 0
Property of Zero
n + 4 − 9 − 5n
-4n - 5
What is the area of a rectangle 3 ft by 6 ft?
182 ft
1/4+1/2
3/4
3 - 8r = - 21
r = 3
What property is being used in this equation?
7 (4 – x) = 21
Distributive
12r + 5 + 3r − 5
15r
What is the perimeter of a rectangle 4 yards by 8 yards?
32 yards
2/3-1/4
5/12
- 15 - 21b = 27
b = 2
What property is being used in this equation?
28175 x 1 = 28175
28175 x 1 = 28175
n − 10 + 9n − 3
10n - 13
What is the area of a rectangle 6 ft by 9 ft?
542 ft
3/4-1/3
1/2