1.
Solve
A.
B.
19
C.
13
D.
Hint
2.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
B.
-1
C.
2
D.
6
Hint
3.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
30
B.
24
C.
4.8
D.
2.5
Hint
4.
Solve 6
x
– 12 = 5
x
+ 2.
A.
x
= -14
B.
x
= 14
C.
x
= -10
D.
x
= 10
Hint
5.
Solve 7.9
q
+ 1.4 = -1.1
q
– 3.1.
A.
q
= -0.5
B.
q
= 0.5
C.
q
= -0.25
D.
q
= 0.25
Hint