Respuesta :

Zezima

Answer:

12

Step-by-step explanation:

The diagram shows a right angle, therefore (6x-2) + 20 = 90.

Find x

(6x - 2) + 20 = 90

6x - 2 = 70

6x = 72

x = 12

Confirmation

[6(12) - 2] + 20 = 90

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The answer is [6(12)-2]+20=90

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