1.
Consider the equation 2
x
+ 16 = 3
x
- 1. Which value for
x
satisfies the equation?
A.
3
B.
15
C.
17
D.
Hint
2.
Solve 5 -
=
A.
-5
B.
5
C.
15
D.
-15
Hint
3.
Solve the equation 7
b
+ 3 = 5 + 7
b
.
A.
The equation has no solution.
B.
2
C.
0
D.
The equation is an identity, so it is true for all values of
b
.
Hint
4.
Solve the equation
b
+ 3 =
b
.
A.
b
= 5
B.
b
= -9
C.
b
= -1
D.
no solution
Hint
5.
Solve the equation 4 –
x
= -
x
+ 6.
A.
x
= 10
B.
no solution
C.
x
= 3
D.
x
= -5
Hint