Question

решите уравнение 5/8 - х=7/12
х*17/18=34/81

Answer 1

5/8 - x = 7/12
x = 5/8 - 7/12
x = 15/24 - 14/24
x = 1/24

x * 17/18 = 34/81
x = 34/81 : 17/18
x = 34/81 * 18/17
x = 4/9