Answer
It is not a solution.
Work Step by Step
If a number is a solution to an equation, then both sides of the equation will be equal to one another if the number is plugged into the equation.
$7+2.7=9.7\neq 9.3$ so $7$ is not a solution.
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 5 - Section 5.2 - Adding and Subtracting Decimals - Exercise Set - Page 349: 63
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