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Substitutie of combinatie

1. \(\left\{\begin{matrix}-2y=\frac{-425}{266}-5x\\-3x-y=\frac{101}{266}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}2x+4y=\frac{-382}{63}\\6x-y=\frac{320}{21}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-5x-3y=\frac{-93}{17}\\-x=-4y+\frac{257}{51}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-2x-2y=\frac{7}{4}\\-x=-y+\frac{15}{8}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}6y=\frac{-153}{8}-6x\\-5x+y=\frac{63}{16}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-5y=\frac{-137}{11}-3x\\-2x+y=\frac{190}{33}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}5y=\frac{201}{14}-4x\\-2x+y=\frac{-24}{7}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}x-3y=\frac{55}{8}\\6x-4y=\frac{39}{4}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}6x-3y=\frac{-69}{7}\\-x+y=\frac{39}{14}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-3x-6y=\frac{35}{2}\\6x=-y+\frac{-15}{2}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-6y=\frac{41}{14}+5x\\x-y=\frac{-20}{21}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}2y=\frac{172}{9}+4x\\-x-4y=\frac{41}{18}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-2y=\frac{-425}{266}-5x\\-3x-y=\frac{101}{266}\end{matrix}\right.\qquad V=\{(\frac{-3}{14},\frac{5}{19})\}\)
2. \(\left\{\begin{matrix}2x+4y=\frac{-382}{63}\\6x-y=\frac{320}{21}\end{matrix}\right.\qquad V=\{(\frac{19}{9},\frac{-18}{7})\}\)
3. \(\left\{\begin{matrix}-5x-3y=\frac{-93}{17}\\-x=-4y+\frac{257}{51}\end{matrix}\right.\qquad V=\{(\frac{5}{17},\frac{4}{3})\}\)
4. \(\left\{\begin{matrix}-2x-2y=\frac{7}{4}\\-x=-y+\frac{15}{8}\end{matrix}\right.\qquad V=\{(\frac{-11}{8},\frac{1}{2})\}\)
5. \(\left\{\begin{matrix}6y=\frac{-153}{8}-6x\\-5x+y=\frac{63}{16}\end{matrix}\right.\qquad V=\{(\frac{-19}{16},-2)\}\)
6. \(\left\{\begin{matrix}-5y=\frac{-137}{11}-3x\\-2x+y=\frac{190}{33}\end{matrix}\right.\qquad V=\{(\frac{-7}{3},\frac{12}{11})\}\)
7. \(\left\{\begin{matrix}5y=\frac{201}{14}-4x\\-2x+y=\frac{-24}{7}\end{matrix}\right.\qquad V=\{(\frac{9}{4},\frac{15}{14})\}\)
8. \(\left\{\begin{matrix}x-3y=\frac{55}{8}\\6x-4y=\frac{39}{4}\end{matrix}\right.\qquad V=\{(\frac{1}{8},\frac{-9}{4})\}\)
9. \(\left\{\begin{matrix}6x-3y=\frac{-69}{7}\\-x+y=\frac{39}{14}\end{matrix}\right.\qquad V=\{(\frac{-1}{2},\frac{16}{7})\}\)
10. \(\left\{\begin{matrix}-3x-6y=\frac{35}{2}\\6x=-y+\frac{-15}{2}\end{matrix}\right.\qquad V=\{(\frac{-5}{6},\frac{-5}{2})\}\)
11. \(\left\{\begin{matrix}-6y=\frac{41}{14}+5x\\x-y=\frac{-20}{21}\end{matrix}\right.\qquad V=\{(\frac{-11}{14},\frac{1}{6})\}\)
12. \(\left\{\begin{matrix}2y=\frac{172}{9}+4x\\-x-4y=\frac{41}{18}\end{matrix}\right.\qquad V=\{(\frac{-9}{2},\frac{5}{9})\}\)