Answer
$(7x)^\circ=70^\circ$
$(11x)^\circ=110^\circ$
Work Step by Step
The sum of the two angle is a straight angle ($180^\circ$):
$(7x)^\circ+(11x)^\circ=(18x)^\circ=180^\circ$
$x=10$
$(7x)^\circ=70^\circ$
$(11x)^\circ=110^\circ$
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