Question

4х-1целая 4 пятых=5,4

Answer 1

Ответ:

4x - 1$\frac{4}{5}$ = 5,4;

5 * 4x - $\frac{9}5}$ * 5 = 5,4 * 5;

20x - 9 = 27;

20x = 27 + 9;

20x = 36;

x = 36/20;

x = 1,8;