Respuesta :

Answer:

x = 8

Step-by-step explanation:

Here, we want to find the value of x

According to the theorem;

45 = 1/2(147 - (7x-5))

90 = 147 -7x + 5

90 = -7x + 147

7x = 147-90

7x = 57

x = 57/7

x = 8.142 which is approximately 8

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