Question

−5,55r+6+4,8=(19+4,8)−6,05r
r=?

Answer 1

Ответ:

$- 5.55r + 9.8 = 23.8 - 6.05r \\ - 5.55r + 6.05r = 23.8 - 9.8 \\ 0.5r = 14 \\ r = 28$