The sequence x1, x2, …, xn is such that xn is such that x1 = 5, x2 =

The sequence \(x_1\), \(x_2\), …, \(x_n\) is such that \(x_1 = 5\), \(x_2 = -5\), \(x_3 = 0\), \(x_4 = -2\), \(x_5 = 4\) and \(x_n=x_n-5\). If the sum of the first P terms as well as the sum of the first P-3 terms is 18, P= ? A. 39 B. 42 C. 45 D. 48 E. 51 Are You Up For the Challenge: 700 (…)