1.
Identify the solution of 84 ÷
r
= 12.
A.
21
B.
72
C.
6
D.
7
Hint
2.
For which equation is 11 the solution?
A.
29 –
h
= 18
B.
15 –
h
= 26
C.
h
– 5 = 11
D.
11 =
h
+ 7
Hint
3.
Determine which equation is true by replacing the variable with 2.
A.
6
x
= 8
B.
6
x
+ 4 = 16
C.
2
x
+ 2 = 8
D.
6
x
+ 2 = 10
Hint
4.
Which of the numbers is the solution of
x
÷ 2 – 4 = 10?
A.
30
B.
28
C.
32
D.
26
Hint
5.
Solve 3 = 9 –
n
using mental math.
A.
9
B.
6
C.
7
D.
3
Hint