Answer
$(-4x)^\circ=40^\circ$
$(-14x)^\circ=140^\circ$
Work Step by Step
The sum of the two angles is a straight angle ($180^\circ$):
$(-4x)^\circ+(-14x)^\circ=(-18x)^\circ=180^\circ$
$x=-10$
$(-4x)^\circ=40^\circ$
$(-14x)^\circ=140^\circ$
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