[tex]40 = \frac{x - 50}{2} \\ 4(2) = x - 50 \\ 80 = x - 50 \\ x = 80 + 50 \\ x = 130[/tex]
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Verified answer
✅ Por teorema del ángulo exterior :
[tex]40 = \frac{x - 50}{2} \\ 4(2) = x - 50 \\ 80 = x - 50 \\ x = 80 + 50 \\ x = 130[/tex]
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