Ответ:
х = 5 6/17
Пошаговое объяснение:
7 9/17 - (x - 1 4/17) = 3 7/17128/17 - (x - 21/17) = 58/17128/17 - x + 21/17 = 58/17149/17 - x = 58/17-x = 58/17 - 149/17-x = - 91/17x = 91/17 ( 5 6/17 )
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Ответ:
х = 5 6/17
Пошаговое объяснение:
7 9/17 - (x - 1 4/17) = 3 7/17
128/17 - (x - 21/17) = 58/17
128/17 - x + 21/17 = 58/17
149/17 - x = 58/17
-x = 58/17 - 149/17
-x = - 91/17
x = 91/17 ( 5 6/17 )