Question

Решите уравнение

(1 5/18 - 2 4/27) * 5,4x = 9 1/2 + 2 1/4

Answer 1

(1 5/18 - 2 4/27)*5,4х=9 1/2+2 1/4
(1 15/54 - 2 8/54)*5,4х=9 2/4+2 1/4
-47/54 * 54/10 х=11 3/4
 - 47/10 х=47/4
х= - 47/4 : 47/10
х= - 47/4 * 10/47
х= - 10/4= - 2,5