Question

Descubra o valor de x na P.A a seguir ( x + 8 , 4x + 6 , 4x + 9 )​

Answer 1

( 4x + 6 ) - ( x + 8 ) = ( 4x + 9 ) - ( 4x + 6 )

3x - 2 = 3

3x = 3 + 2

x = $\frac{5}{3}$