Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.3 - More on Functions and Their Graphs - Exercise Set - Page 200: 145


The value of y for the equation $3x+2y-4=0$ is $-\frac{3x}{2}+2$.

Work Step by Step

Consider the equation; $3x+2y-4=0$ Solve the equation for y, $\begin{align} & 3x+2y-4=0 \\ & 2y=4-3x \\ & y=\frac{4-3x}{2} \end{align}$ Therefore, $\begin{align} & y=-\frac{3x}{2}+\frac{4}{2} \\ & y=-\frac{3x}{2}+2 \end{align}$ Hence, the solution of y for the equation $3x+2y-4=0$ is $-\frac{3x}{2}+2$.
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