1.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
30
B.
24
C.
4.8
D.
2.5
Hint
2.
If 3.2
z
- 6 = 1.8 + 11
z
, what is the value of
z
?
A.
-1
B.
-2
C.
1
D.
0
Hint
3.
Determine the solution of
A.
-10
B.
C.
-20
D.
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
= 0.25
B.
q
= 0.5
C.
q
= -0.25
D.
q
= -0.5
Hint