Respuesta :

mathstudent55

PQ + QR + RS = 18

PQ = 2x - 6; QR = 1; RS = x - 4

2x - 6 + 1 + x - 4 = 18

3x - 9 = 18

3x = 27

x = 9

Answer: C. 9

Kvell
Answer is A (5)

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