Answer
$x=40$
Work Step by Step
$\displaystyle \frac{2}{5}x-1=\frac{3}{10}x+3$
We multiply both sides by 10:
$4x-10=3x+30$
And solve for x:
$x=40$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises - Page 60: 28
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