Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 135: 70



Work Step by Step

As long as $x=0$ is not a solution to the equation (which it isn't, since division by zero isn't possible), both sides of the equation can be multiplied by $2x$. This leaves $$4+3=16x$$ $$7=16x$$ Dividing by $16$ yields $$x=\frac{7}{16}$$
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