Answer:
x=10
Explanation:
Vertical angles are always congruent, those to angles are vertical angles so they are congruent.
Set them equal to each other:
110=8x+30 subtract 30 from both sides
80=8x divide by 8 on both sides
Hope this helps :)
x= 10
8x+30=110
8x+30-30=110-30
8x=80
8x/8=80/8
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