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Please help I don't know wut to do...

Please help I don't know wut to do...-example-1
User FABBRj
by
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1 Answer

3 votes

Answer:

25

Explanation:

Angles that are supplementary add to 180°.


105+3x=180 \\ \\ 3x=75 \\ \\ x=25

User Elacuesta
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