Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 6 - Algebra: Equations and Inequalities - 6.1 Algebraic Expressions and Formulas - Exercise Set 6.1: 33



Work Step by Step

$\frac{(2x+3y)}{(x+1)}$, x=-2, y=4 Step 1:Substitute x=−2 and y=4 for each x and y $\frac{2(-2)+3(4)}{(-2)+1}$ Step 2: Multiply 2(-2) = -4 and 3(4) = 12 $\frac{-4+12}{(-2)+1}$ Step 3: Add and subtract from left to right. $\frac{8}{-1}$ = -8
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