1.
A mathematical sentence like
b
- 432 = 197 is called a(n) ______.
A.
equation
B.
evaluation
C.
variable
D.
solution
Hint
2.
Solve
6 mentally.
A.
24
B.
2
C.
12
D.
3
Hint
3.
Identify the solution to 34 - 2
z
= 20.
A.
5
B.
7
C.
8
D.
6
Hint
4.
When a number is decreased by 16, the result is 64. What is the number?
A.
1024
B.
4
C.
48
D.
80
Hint
5.
Which value is the solution of 3
x
– 7 = 14?
A.
9
B.
6
C.
7
D.
8
Hint