Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-8 An Introduction to Equations - Practice and Problem-Solving Exercises - Page 57: 50


$-3d+(-4)=2$ $-3(-2)+(-4)\overset?=2$ $6+(-4)\overset?=2$ $2=2\checkmark$

Work Step by Step

$-3d+(-4)=2$ $-3(-2)+(-4)\overset?=2$ $\underset\uparrow{-6}+(-4)\overset?=2\longrightarrow$The error is in multiplying $-3(-2)$. The product should be positive. $-10\ne2\ \ X$
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