Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.4 - Linear Equations in One Variable and Problem Solving - Exercise Set: 35

Answer

The distance from LA to Tokyo is 5470 miles.

Work Step by Step

Let $t$ be the distance from LA to Tokyo. The distance from NYC to London is $t-2001$. $t+(t-2001)=8939$ $\longrightarrow$combine like terms $2t-2001=8939$ $\longrightarrow$addition property $2t-2001+2001=8939+2001$ $\longrightarrow$simplify $2t=10940$ $\longrightarrow$multiplication property $2t\div2=10940\div2$ $\longrightarrow$simplify $m=5470$
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