Answer
Infinitely many solutions
Work Step by Step
$y=3x-27$
$x-1/3y=9$
$-3*(x-1/3y=9)$
$-3x +y = -27$
$y=3x-27$
$-3x +y = -27$
$(3x-27)+(-3x+y) =y-27$
$3x-27-3x+y=y-27$
$y-27 = y-27$ (true for all real numbers)
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - Chapter Review - 6-3 and 6-4 Solving Systems Using Elimination; Applications of Systems - Page 406: 24
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