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
$x=14$
$14\times3=42$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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 - Page 196: 28
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