Answer
$(-4,-9)$
Work Step by Step
By substitution, we have
$$
3(-4)-4y=24\Longrightarrow -4y=36
.$$
That is, $y=-9$.
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 8 - Test - Page 318: 1
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