Answer
a) $b = 3$
b) $b = 7$
Work Step by Step
a)
$2b+7=b+10$
$b= 3$
b)
$3b-4=24-b$
$3b+b=24+4$
$4b=28$
$b = 28/4 = 7$
$b=7$
General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
by Timberlake, Karen C.
Published by
Pearson
ISBN 10:
0321967461
ISBN 13:
978-0-32196-746-6
Chapter 1 - Chemistry in Our Lives - 1.4 Key Math Skills for Chemistry - Questions and Problems - Page 18: 1.22
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