Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-3 Solving Multi-Step Equations - Practice and Problem-Solving Exercises: 66

Answer

$x = 14$

Work Step by Step

Make the three consecutive numbers $x, x+1$, and $x+2.$ $x + (x+1) + (x+2) = 45$ Combine like terms to get: $3x + 3 = 45$ Subtract $3$ from each side. $3x+3-3= 45-3 = 42$ $3x = 42$ $x = 14$
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