Respuesta :

Answer:

x = 55

Step-by-step explanation:

Answer:

x = 55

Step-by-step explanation:

30(x + 5) + 30x = 3450

30x + 150 + 30x = 3450

60x + 150 - 150 = 3450 - 150

60x = 3300

x = 3300/60

x = 330/6

x = 110/2

x = 55

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