Answer
$57$
Work Step by Step
Start with given expression: $7+5x,x=10$.
Substitute $10$ in for $x$: $7+5(10)$.
Simplify for answer: $7+50=57$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set - Page 17: 1
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