1.
The solution for 124 -
a
= 77 is ______.
A.
47.
B.
211.
C.
201.
D.
57.
Hint
2.
A mathematical sentence like
b
- 432 = 197 is called a(n) ______.
A.
equation
B.
evaluation
C.
variable
D.
solution
Hint
3.
Translate ''a product of a number and seven is 49'' into an equation.
A.
49
B.
x
+ 7 = 49
C.
x
- 7 = 49
D.
7
x
= 49
Hint
4.
Which value is the solution of 3
x
– 7 = 14?
A.
6
B.
8
C.
9
D.
7
Hint
5.
Which value is the solution of
A.
117
B.
108
C.
99
D.
90
Hint