Intermediate Algebra Unit 9: Logarithms Worksheet - Tangient Llc Page 20

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Intermediate Algebra
Unit 9: Logarithms
Use logarithmic properties to solve the following equations and check your solution(s):
(
)
(
)
=
+
(10)
2
log
7
x
3
log
x
12
=
2
2
(9)
log
6
x
27
3
=
1
1
(12)
log
32
log
2 (
) x
log
4
=
+
7
7
7
(11)
log
x
log
64
log
216
5
5
5
2
3
+
=
+
=
(13)
4
log
x
log
5
log
405
(14)
log
5
log
x
2
2
2
2
10
10
(
)
(
)
(
)
(
)
+
+
=
+
+
=
(15)
log
x
3
log
x
2
log
14
(16)
log
x
1
log
x
5
4
3
3
3
2
2
19

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