Question

Найдите корень уравнения 5x-1=10x+8

Answer 1

Ответ:

$5x - 1 - 10x - 8 = 0 \\ - 5x - 9 = 0\\ - 5x = 9 \\ x = - \frac{9}{5} = - 1 \frac{4}{5} = - 1.8$