Question

Уравнение (x-1 2/5)+3 3/5=5 1/5

Answer 1

(x-1 2/5)+3 3/5=5 1/5;
x-1 2/5=5 1/5- 3 3/5;
x-1 2/5= 1 3/5;
x=1 2/5+1 3/5;
x=2 5/5;
x=3.
Ответ: 3