Question

Which statement is true? A. 2x – 1 = 13 and x = 6 B. 2x – 1 = 13 and x = 7 C. 2x + 1 = 13 and x = 7 D. 2x – 1 = 13 and x = 11

Answer 1

B. 2(7)-1=13 so it is correct

Answer 2

B is correct because 2x - 1 = 13, x = 7 so 2(7) = 14 and 14 - 1 is 13. I hope it helps you!