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MC2
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Chapter 8
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Lesson 8.2.2
> Problem 8-43
8-43.
Hint (a):
(3
a
)(7)
3
a
+ 7
Answers (a):
Hint (b):
(?)(3
x
) = 12
x
Answers (b):
Hint (c):
? + 2
y
= 2
y
− 6
Answer (c):
Hint (d):
(3
y
)(?) = −6
y
