Ответ:
Пошаговое объяснение:
1) X = -11,4 : 5,7 = - 2; 2) x = 9 16/51 - 4 11/17 = 8 67/51 - 4 33/51 = 4 34/51 = 4 2/3; 3) z = 8 9/26 - 5 7/39 = 3 13/39 = 3 1/3; 4) x = 8 7/39 - 5 9/26 = 3 1/26; 5) 2x - 24 + 8x + 32 = 16; 10x = 8; x = 0,8; 6) 1,2x · ( - 0,6) = - 2,88; x = 2,88 : 0,72 = 4