Answer
$a=7$
Work Step by Step
We start with the given equation: $a-2.5=4.5$
We add $2.5$ to both sides of the equation: $a-2.5+2.5=4.5+2.5$
We combine like terms on both sides of the equation: $a=7$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - Chapter Review - 2-1 and 2-2 Solving One- and Two-Step Equations - Page 153: 7
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