College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1 - Page 17: 13



Work Step by Step

$\frac{5(x+2)}{2x-14}$ for $x=10$ substitute 10 for each x $=\frac{5(10+2)}{2\times10-14}$ complete any grouped operations first - remember that the numerator and denominator of a fraction are each considered grouped $=\frac{5\times12}{20-14}$ within each group, first complete multiplication and division in order left to right, then addition and subtraction left to right $=\frac{60}{6}$ finish with division - fractions mean divide the numerator by the denominator $=10$
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