Question 41: Find x Z, knowing: (3x + 22) : 8 + 10 = 12

31/12/2021 // by admin// Leave a Comment

Question 41: Find x Z, knowing: (3x + 22) : 8 + 10 = 12

A. x = 2

B. x = -2

C. x = 3

D. x = -3

(3x + 22): 8 + 10 = 12

(3x + 22) : 8 = 12 – 10

3x + 22 = 8.2

3x = 16 – 22

⇒ x = (-6) : 3 = -2

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