Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 6 - Section 6.1 - Equations - Exercises: 2

Answer

$a=2\frac{1}{3}$

Work Step by Step

$3a=7$ $3a\div3=7\div3\longrightarrow$ divide both sides by 3 $a=\frac{7}{3}$ $a=2\frac{1}{3}$ To check, substitute the value for x and see of the result is true. $3(2\frac{1}{3})=7$ $6+\frac{3}{3}=7$ $7=7\checkmark$
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