1.
Find the value of
r
in the following equation.
2 + 6
r
= 3
r
- 1
A.
B.
2
C.
6
D.
-1
Hint
2.
Determine the solution of
A.
-20
B.
-10
C.
D.
Hint
3.
Solve 4
h
- 6 = 2.
A.
-1
B.
32
C.
8
D.
2
Hint
4.
Solve
.
A.
7
B.
5
C.
2
D.
14
Hint
5.
Solve the equation for
r
.
7
r
+ 6 = 4
r
– 9
A.
r
= 6
B.
r
= –5
C.
r
= 2
D.
r
= –3
Hint