Respuesta :

cookie928
9x + 11 = 56; 45=9x; x=5; ab = 29; bc = 27

Answer:

x = 5, AB = 29, BC = 22

Step-by-step explanation:

4x + 9 + 5x + 2 = 56

9x + 11 = 56

9x = 45

x = 5

Substitute the 5 in for x's

4(5) + 9

20 + 9

29 = AB

5(5) + 2

20 + 2

22 = BC

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