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Substitutie of combinatie

1. \(\left\{\begin{matrix}-4x+2y=\frac{350}{33}\\x-4y=\frac{70}{33}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-y=\frac{685}{153}-4x\\-5x+3y=\frac{-454}{51}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-4x-3y=\frac{14}{19}\\x=4y+\frac{-191}{57}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}6x+4y=17\\-6x=-y+8\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-x+2y=\frac{29}{170}\\-6x=-2y+\frac{-421}{170}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-5x+3y=\frac{-134}{3}\\-3x=y+-10\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-3x-2y=\frac{19}{8}\\-5x-y=\frac{41}{8}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}6y=\frac{139}{57}-3x\\-x-y=\frac{-22}{171}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-2y=\frac{-290}{51}+5x\\-4x-y=\frac{-181}{51}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}2y=\frac{-57}{14}-3x\\-5x-y=\frac{104}{21}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-2x+3y=\frac{-14}{9}\\2x=y+\frac{2}{9}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-3y=\frac{459}{77}-x\\5x+4y=\frac{433}{77}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-4x+2y=\frac{350}{33}\\x-4y=\frac{70}{33}\end{matrix}\right.\qquad V=\{(\frac{-10}{3},\frac{-15}{11})\}\)
2. \(\left\{\begin{matrix}-y=\frac{685}{153}-4x\\-5x+3y=\frac{-454}{51}\end{matrix}\right.\qquad V=\{(\frac{11}{17},\frac{-17}{9})\}\)
3. \(\left\{\begin{matrix}-4x-3y=\frac{14}{19}\\x=4y+\frac{-191}{57}\end{matrix}\right.\qquad V=\{(\frac{-13}{19},\frac{2}{3})\}\)
4. \(\left\{\begin{matrix}6x+4y=17\\-6x=-y+8\end{matrix}\right.\qquad V=\{(\frac{-1}{2},5)\}\)
5. \(\left\{\begin{matrix}-x+2y=\frac{29}{170}\\-6x=-2y+\frac{-421}{170}\end{matrix}\right.\qquad V=\{(\frac{9}{17},\frac{7}{20})\}\)
6. \(\left\{\begin{matrix}-5x+3y=\frac{-134}{3}\\-3x=y+-10\end{matrix}\right.\qquad V=\{(\frac{16}{3},-6)\}\)
7. \(\left\{\begin{matrix}-3x-2y=\frac{19}{8}\\-5x-y=\frac{41}{8}\end{matrix}\right.\qquad V=\{(\frac{-9}{8},\frac{1}{2})\}\)
8. \(\left\{\begin{matrix}6y=\frac{139}{57}-3x\\-x-y=\frac{-22}{171}\end{matrix}\right.\qquad V=\{(\frac{-5}{9},\frac{13}{19})\}\)
9. \(\left\{\begin{matrix}-2y=\frac{-290}{51}+5x\\-4x-y=\frac{-181}{51}\end{matrix}\right.\qquad V=\{(\frac{8}{17},\frac{5}{3})\}\)
10. \(\left\{\begin{matrix}2y=\frac{-57}{14}-3x\\-5x-y=\frac{104}{21}\end{matrix}\right.\qquad V=\{(\frac{-5}{6},\frac{-11}{14})\}\)
11. \(\left\{\begin{matrix}-2x+3y=\frac{-14}{9}\\2x=y+\frac{2}{9}\end{matrix}\right.\qquad V=\{(\frac{-2}{9},\frac{-2}{3})\}\)
12. \(\left\{\begin{matrix}-3y=\frac{459}{77}-x\\5x+4y=\frac{433}{77}\end{matrix}\right.\qquad V=\{(\frac{15}{7},\frac{-14}{11})\}\)