Найдите корни уравнений (73—75): 73. 1) (5,6 – x): 0,04 = 3,5; 2) 88,4 : (x + 11,03) = 4,42; 3) 2,8 · (6,21 – x) = 0,84; 4) (x + 0,579) · 5,1 = 3,06. 74. 1) (8,9 + x): 3,4 = 8,5; 2) 20,5 : (x + 399) = 0,05; 3) 1,8 · (10,7 – x) = 1,98; 4) (0,988 + x) · 2,5 = 4,87. 2 2) 11,2 : x - 6; 15 75. 1) · (x - ) = 50; 5 1 2; 8 4) x+ 27 :19 ) 1 9 3) 2 + x : 3 16 32 9 12 3​
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