Question

If, 2x + 1, 4x and 5x + 1 are three consecutive terms of an

Arithmetic progression, then, x is equal to​

Answer 1

2x + 1, 4x and 5x + 1 are three consecutive terms of an Arithmetic progression (2b = a + c).

2(4x) = (2x + 1) + (5x + 1)

8x = 7x + 2

x = 2