Algebra Demystified 2nd Ed

62 algebra De mystif ieD

deMYstiFied / algebra deMYstiFied / HuttenMuller / 000-0 / Chapter2

5.^65 x+=^12

a.^61

7

x+

b.^125

10

x+

C.^61

10

x+

d.^121

10

x+

6. A cable company advertises an introductory monthly charge that is one-fourth
   off its regular monthly charge. If x represents its regular monthly fee, what is the
   introductory monthly fee?
   a. x−^1
   4
   b. x−25%
   C.^3
   4

x

d.^1

4

−x

7. Separate the factor having the variable from the rest of the fraction:^165 x.

a.^16

5

⋅^1

x

b.^16

5

⋅x^

C.^5

16

⋅^1

x

d.^5

16

⋅x^

8.

(^53)
15 x
=^
a.^25
3
x
b.^1
9 x
C. 9 x
d.^1
25 x