1.
A mathematical sentence like
b
- 432 = 197 is called a(n) ______.
A.
variable
B.
evaluation
C.
equation
D.
solution
Hint
2.
Identify the solution to 34 - 2
z
= 20.
A.
5
B.
6
C.
8
D.
7
Hint
3.
Translate ''a product of a number and seven is 49'' into an equation.
A.
7
x
= 49
B.
x
- 7 = 49
C.
x
+ 7 = 49
D.
49
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.
8
C.
6
D.
7
Hint