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Substitutie of combinatie

1. \(\left\{\begin{matrix}-2x+y=\frac{97}{56}\\-4x=-5y+\frac{341}{56}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6x-4y=\frac{-30}{77}\\-x=5y+\frac{-720}{77}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-3x+6y=\frac{-152}{11}\\-x=-y+\frac{-98}{33}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-5y=\frac{-127}{15}+6x\\x+2y=\frac{89}{30}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-3x+y=\frac{-109}{88}\\-6x=-3y+\frac{-81}{44}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-4x+y=\frac{-57}{5}\\-2x+3y=\frac{-91}{5}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}4x+3y=-15\\x=-4y+\frac{-29}{6}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-6y=\frac{85}{24}+2x\\-5x-y=\frac{215}{48}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}3x-2y=-6\\2x=y+\frac{-8}{3}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-2x+3y=\frac{37}{13}\\-3x+y=\frac{10}{13}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-6x-6y=\frac{-53}{8}\\-x-y=\frac{-53}{48}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-6x-y=\frac{-31}{20}\\4x=5y+\frac{-87}{20}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-2x+y=\frac{97}{56}\\-4x=-5y+\frac{341}{56}\end{matrix}\right.\qquad V=\{(\frac{-3}{7},\frac{7}{8})\}\)
2. \(\left\{\begin{matrix}-6x-4y=\frac{-30}{77}\\-x=5y+\frac{-720}{77}\end{matrix}\right.\qquad V=\{(\frac{-15}{11},\frac{15}{7})\}\)
3. \(\left\{\begin{matrix}-3x+6y=\frac{-152}{11}\\-x=-y+\frac{-98}{33}\end{matrix}\right.\qquad V=\{(\frac{4}{3},\frac{-18}{11})\}\)
4. \(\left\{\begin{matrix}-5y=\frac{-127}{15}+6x\\x+2y=\frac{89}{30}\end{matrix}\right.\qquad V=\{(\frac{3}{10},\frac{4}{3})\}\)
5. \(\left\{\begin{matrix}-3x+y=\frac{-109}{88}\\-6x=-3y+\frac{-81}{44}\end{matrix}\right.\qquad V=\{(\frac{5}{8},\frac{7}{11})\}\)
6. \(\left\{\begin{matrix}-4x+y=\frac{-57}{5}\\-2x+3y=\frac{-91}{5}\end{matrix}\right.\qquad V=\{(\frac{8}{5},-5)\}\)
7. \(\left\{\begin{matrix}4x+3y=-15\\x=-4y+\frac{-29}{6}\end{matrix}\right.\qquad V=\{(\frac{-7}{2},\frac{-1}{3})\}\)
8. \(\left\{\begin{matrix}-6y=\frac{85}{24}+2x\\-5x-y=\frac{215}{48}\end{matrix}\right.\qquad V=\{(\frac{-5}{6},\frac{-5}{16})\}\)
9. \(\left\{\begin{matrix}3x-2y=-6\\2x=y+\frac{-8}{3}\end{matrix}\right.\qquad V=\{(\frac{2}{3},4)\}\)
10. \(\left\{\begin{matrix}-2x+3y=\frac{37}{13}\\-3x+y=\frac{10}{13}\end{matrix}\right.\qquad V=\{(\frac{1}{13},1)\}\)
11. \(\left\{\begin{matrix}-6x-6y=\frac{-53}{8}\\-x-y=\frac{-53}{48}\end{matrix}\right.\qquad V=\{(\frac{-9}{16},\frac{5}{3})\}\)
12. \(\left\{\begin{matrix}-6x-y=\frac{-31}{20}\\4x=5y+\frac{-87}{20}\end{matrix}\right.\qquad V=\{(\frac{1}{10},\frac{19}{20})\}\)