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: 28

Answer

Liechtenstein: 14 Norway: 42

Work Step by Step

$x+3x=56$ $\longrightarrow$combine like terms $4x=56$ $\longrightarrow$multiplication property $4x\div4=56\div4$ $\longrightarrow$simplify $x=14$ $14\times3=42$
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