Question

Решите уравнение: помогите


8,6х-6,9х+0,49=1

Answer 1

$8.6x - 6.9x + 0.49 = 1 \\ 8.6 - 6.9x = 1 - 0.49 \\ 1.7x = 0.51 \\ x = 0.51 \div 1.7 \\ \boxed{x = 0.3}$