Answer
$a=2b-x$
Work Step by Step
$2x+2a=4b$
$2x+2a-2x=4b-2x$
$2a=4b-2x$
$(2a)/2=(4b)/2-(2x)/2$
$a=2b-x$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - 2-5 Literal Equations and Formulas - Practice and Problem-Solving Exercises - Page 113: 41
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