Выразите х через у : (2/х-1)-1

Question

Выразите х через у : (2/х-1)-1

Answer 1

\\ x=\frac{2}{y+2}" alt="y=(\frac{2}{x}-1)-1\\ y=\frac{2}{x}-1-1\\ y=\frac{2}{x}-2 \ \ \ \ \ \ \ \ |\ *x\\ yx=2-2x\\ yx+2x=2\\ x(y+2)=2 \ \ =>\\ x=\frac{2}{y+2}" align="absmiddle" class="latex-formula">