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.
$3x+3-3= 45-3 = 42$
$3x = 42$
$x = 14$
Algebra 1
by Hall, Prentice
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 - Page 100: 66
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