Algebra Demystified 2nd Ed

(Marvins-Underground-K-12) #1
Chapter 2 IntroduCtIon to VarIables 53

deMYstiFied / algebra deMYstiFied / HuttenMuller / 000-0 / Chapter 2

3.

(^43)
218 x=^
4.
83
1
y
y



5.^27
11


x
y


6.^12237
6


x
y


7.^32
9 y



8.
2 x
5


SOLUTIONS

1.^1532
6


15
32 6

15
32

6156
32

15 3
16

45
x 16

x
xxxx

=÷=⋅= ⋅

= ⋅


2.

(^914)
(^217)
9
14
2
17
9
14
17
2
917
14 2
917
14
x
x
xxx
x
x
x
= ÷=⋅= ⋅

= ⋅
⋅ 22
153
28



3.

(^43)
(^218)
4
3
21
8
4
3
8
21
32
x 63
x
xx
=÷ =⋅ =^
4.
83
1
3
8
13
81
3
81
3
8
y
y yy y
yy
y
=÷=⋅= ⋅



5.

2
117

27
11

211
7

22
7

x
y xyx

yy
x

=÷ =⋅ =^

✔SOLUTIONS

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