Автор - andy9

5x/9-2x/3-x=4
/- знак дроби

Ответ

Автор - VasiaZozulia
5x/9 - 2x/3 - x = 4
(5x - (2x * 3) - 9x)/9 = 4
(5x - 6x - 9x) / 9 = 4
-10x/9 = 4
x = -(4 * 9)/10
x = -36/10 = -18/5 = -3 3/5

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