Answer
$(3,-9)$ is a solution.
Work Step by Step
We are given: $-8x-3y\lt5 $
Plug in $(-1,1)$:
$-8(-1)-3(1) \lt 5 $
$5\lt 5 \rightarrow$ false
Plug in $(3,-9)$:
$-8(3)-3(-9) \lt 5 $
$3\lt 5 \rightarrow$ true
$(3,-9)$ is a solution
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