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 - Page 11: 13



Work Step by Step

given x =4, evaluate $\frac{12x-8}{2x}$ Step 1: Substitute the value of x =4 in the given expression According to the order of operations perform multplication $\frac{12*4 - 8}{2*4}$ $\frac{48 - 8}{8}$ Step2: Now evaluate numerator by performing subtraction $\frac{40}{8}$ Step 3: perform division $\frac{40}{8}$ = 5
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