#### Answer

parallel

#### Work Step by Step

4x-3y=20
3y=4x-20
y=$\frac{4}{3}$x-$\frac{20}{3}$
12x-9y=30
9y=12x-30
y=$\frac{4}{3}$x-$\frac{10}{3}$
Both of the lines have a slope of $\frac{4}{3}$, therefore, the lines are parallel.

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

parallel

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