1.
Solve
A.
13
B.
19
C.
D.
Hint
2.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
-1
B.
2
C.
D.
6
Hint
3.
Solve 7
c
+ 10 = 17
c
.
A.
B.
C.
c
= -1
D.
c
= 1
Hint
4.
Solve 6
x
– 12 = 5
x
+ 2.
A.
x
= -10
B.
x
= 14
C.
x
= -14
D.
x
= 10
Hint
5.
Solve 7.9
q
+ 1.4 = -1.1
q
– 3.1.
A.
q
= 0.25
B.
q
= -0.25
C.
q
= 0.5
D.
q
= -0.5
Hint