Question

6.Решите уравнение: 0,5|5х-41 + 2 = 10

Answer 1

Ответ:

$0.5 |5x - 4| + 2 = 10 \\ 0.5 |5x - 4| = 8 \\ |5x - 4| = 16 \\ 5x - 4 = 16 \: \: \: \: \: \: \: \: 5x - 4 = - 16 \\ 5x = 16 + 4\: \: \: \: \: \: \: \: 5x = - 16 + 4 \\ 5x = 20\: \: \: \: \: \: \: \: 5x = - 12 \\ x = 4\: \: \: \: \: \: \: \: x = - 2.4$