(17x/23)-(30/23) = (9971/23)

[latex] \frac{17x-30}{23} = \frac{9971}{23} [/latex] домножим все на 23 17x-30 = 9971 17x=9971+30 17x=10001 x=[latex] \frac{10001}{17} = 588 \frac{5}{17} [/latex]