AT-OEMO-REG 2002 Problem 2

Solve the following system of equations over the real numbers: $2x_1 = x_5 ^2 - 23$ $4x_2 = x_1 ^2 + 7$ $6x_3 = x_2 ^2 + 14$ $8x_4 = x_3 ^2 + 23$ $10x_5 = x_4 ^2 + 34$