1.
Determine which equation is true by replacing the variable with 4.
A.
5 +
x
= 9
B.
5 +
x
= 5
C.
5 +
x
= 10
D.
5 +
x
= 4
Hint
2.
Solve 16 =
k
+ 10 using mental math.
A.
10
B.
9
C.
6
D.
8
Hint
3.
For which equation is 11 the solution?
A.
29 –
h
= 18
B.
h
– 5 = 11
C.
15 –
h
= 26
D.
11 =
h
+ 7
Hint
4.
Determine which equation is true by replacing the variable with 2.
A.
6
x
= 8
B.
6
x
+ 2 = 10
C.
6
x
+ 4 = 16
D.
2
x
+ 2 = 8
Hint
5.
For which equation is 5 the solution?
A.
x
– 3 = 2
B.
5 +
x
= 5
C.
x
+ 3 = 5
D.
3 –
x
= 2
Hint