Question

Решить уравнения 4.86х+19.4х+0.54х=2020​

Answer 1

$4,86x+19,4x+0,54x=2020\\\\24,26x+0,54x=2020\\\\24,8x=2020\\\\x=2020:24,8\\\\x=81\frac{11,2}{24,8}$