9000060606

Level: 
Project ID: 
9000060606
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
Identify the real number \(x\) which ensures that the numbers \(a_{1} = 5x + 1\), \(a_{2} = x\) and \(a_{3} = 7x + 3\) are three consecutive terms of an arithmetic sequence.
\(x = -0.4\)
\(x = 0.4\)
\(x = 2.5\)
\(x = -2.5\)
\(x = 5\)