Question

решитн уравнение плиииз (7 4/9-5 2/11х)•1 1/26=1 1/2

Answer 1

(7 4/9 - 5 2/11х) * 1 1/26 = 1 1/2
7 4/9 - 5 2/11х = 1 1/2 : 1 1/26
7 4/9 - 5 2/11х = 3/2 : 27/26
7 4/9 - 5 2/11х = 3/2 * 26/27 = (1*13)/(1*9) = 13/9 = 1 4/9
5 2/11х = 7 4/9 - 1 4/9 = 6
х = 6 : 5 2/11 = 6 : 57/11 = 6 * 11/57 = 66/57 = 1 9/57
х = 1 9/57