Question

помогите пожалуйста 2 2/5x+3 2/15=3 1/2:4/5

Answer 1

2 2/5x+3 2/15=3 1/2:4/5
12/5х + 47/15 = 7/2 : 4/5
12/5х = 7/2 * 5/4 - 47/15
12/5х = 35/8 - 47/15
12/5х = 525- 376/ 120
12/5х = 149/120
х = 149/120:12/5
х = 149/120*5/12
х = 149/288