josephdakota
07.12.2020 •
Mathematics
Given: Quadrilateral ABCD is inscribed in circle O.
Prove: m∠A+m∠C=180°
Solved
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Ответ:
x = 3
Step-by-step explanation:
By rearranging the equations,
y = 6 - 3x
y = x - 6
x - 6 = 6 - 3x
4x - 6 = 6
4x = 12
x = 3