Ответ:
x-5/9x=2¼
x-5/9x=9/4 |*36
36x-20x=81
16x=81
x=81/16=5_1/16=5,0625.
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Ответ:
x-5/9x=2¼
x-5/9x=9/4 |*36
36x-20x=81
16x=81
x=81/16=5_1/16=5,0625.