Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.1 - Introduction to Algebra: Variables and Mathematical Models - Exercise Set: 67

Answer

$3x-5=7$

Work Step by Step

"Less than" tells us we are going to subtract. In the absence of commas "5 less than" tells us to subtract 5 from whatever follows. "3 times a number" means to multiply a number by 3, which can be written as 3x. "Gives" tells us to put an equal sign between the expressions before and after the word "gives".
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