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I don’t know how I would set this up :(

I don’t know how I would set this up :(-example-1

1 Answer

1 vote

Explanation:

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

17x − 23 = (8x − 4) + (3x + 17)

Solve the equation for x.

answered
User Pavlos Mavris
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