помогите решить уравнения с дробями х+1/9=1 1-х=5/9 х+2/7=1 1-х=4/7 пплииз
х=1-1/9=9/9-1/9=8/9
x+2/7=1 x=1-2/7= 7/7-2/7=5/7
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х=1-1/9=9/9-1/9=8/9
x+2/7=1 x=1-2/7= 7/7-2/7=5/7