60.8 / (5.3 * x - 2.15) = 5; 60.8 / 5 = 12.6;
5.3 * x - 2.15 = 12.6; 12.6 + 2.15 = 14.31;
5.3 * x = 14.31; 14.3 / 5.3 = 2.7;
x = 2.7;
60.8 / (5.3 * x - 2.15) = 5; 60.8 / 5 = 12.6;
5.3 * x - 2.15 = 12.6; 12.6 + 2.15 = 14.31;
5.3 * x = 14.31; 14.3 / 5.3 = 2.7;
x = 2.7;