Respuesta :

Answer:

<MQR= 58

Step-by-step explanation:

70-2b=28+5b

70=28+7b

42=7b

b=6

28+5b

28+5(6)

28+30

58

<MQR=58

Answer:

b = 6

Step-by-step explanation:

because this is a an x XQR and MQR will equal.

2 x 6 = 12

70 - 12 = 58

5 x 6 = 30

28 + 30 = 58

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