1.
Solve for
s
.
3 +
s
= 8
A.
38
B.
11
C.
24
D.
5
Hint
2.
Solve for
t
:
t
− 6 = 2
A.
4
B.
12
C.
62
D.
8
Hint
3.
Solve for
u
.
u
− 4 = 5
A.
45
B.
9
C.
20
D.
1
Hint
4.
Solve for
w
.
w
+ 8 = 16
A.
8
B.
816
C.
24
D.
128
Hint
5.
Irini has 12 commemorative coins. She received 3 of them last week on her birthday. Write and solve an equation to find how many coins she had before her birthday.
A.
c
+ 3 = 12; 9
B.
12 +
c
= 3; 15
C.
3
c
= 12; 4
D.
c
+ 12 = 36; 24
Hint