Question

Решите уровнение (4,5-y)*5,8=8,7

Answer 1

(4.5-y)*5.8=8.7
4.2*y=10.5
y=10-54/4.2
y=2-5

Answer 2

26,1-5,8y=8,7
-5,8y=8,7-26,1
-5,8y=-17,4/:(-5,8)
y=3
Ответ:3