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Substitutie of combinatie

1. \(\left\{\begin{matrix}-5x+4y=\frac{428}{63}\\-x=y+\frac{-44}{63}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}3y=\frac{51}{13}-2x\\x+6y=\frac{111}{13}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-x-5y=\frac{224}{19}\\4x=5y+\frac{-1296}{19}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}2x-6y=\frac{-19}{5}\\-x+2y=\frac{11}{10}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-3x+6y=\frac{-102}{5}\\-x=y+\frac{26}{5}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}4x-2y=\frac{54}{19}\\6x=-y+\frac{5}{19}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}5x-3y=\frac{-151}{60}\\-3x=-y+\frac{97}{60}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}6x-2y=\frac{-21}{5}\\-5x-y=\frac{11}{2}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}6x+4y=4\\x=-3y+\frac{-59}{6}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-y=\frac{106}{51}-6x\\-4x-4y=\frac{88}{51}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-2x-6y=\frac{-96}{7}\\-x-y=\frac{-13}{7}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-5x-3y=\frac{1089}{38}\\-5x=y+\frac{443}{38}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-5x+4y=\frac{428}{63}\\-x=y+\frac{-44}{63}\end{matrix}\right.\qquad V=\{(\frac{-4}{9},\frac{8}{7})\}\)
2. \(\left\{\begin{matrix}3y=\frac{51}{13}-2x\\x+6y=\frac{111}{13}\end{matrix}\right.\qquad V=\{(\frac{-3}{13},\frac{19}{13})\}\)
3. \(\left\{\begin{matrix}-x-5y=\frac{224}{19}\\4x=5y+\frac{-1296}{19}\end{matrix}\right.\qquad V=\{(-16,\frac{16}{19})\}\)
4. \(\left\{\begin{matrix}2x-6y=\frac{-19}{5}\\-x+2y=\frac{11}{10}\end{matrix}\right.\qquad V=\{(\frac{1}{2},\frac{4}{5})\}\)
5. \(\left\{\begin{matrix}-3x+6y=\frac{-102}{5}\\-x=y+\frac{26}{5}\end{matrix}\right.\qquad V=\{(\frac{-6}{5},-4)\}\)
6. \(\left\{\begin{matrix}4x-2y=\frac{54}{19}\\6x=-y+\frac{5}{19}\end{matrix}\right.\qquad V=\{(\frac{4}{19},-1)\}\)
7. \(\left\{\begin{matrix}5x-3y=\frac{-151}{60}\\-3x=-y+\frac{97}{60}\end{matrix}\right.\qquad V=\{(\frac{-7}{12},\frac{-2}{15})\}\)
8. \(\left\{\begin{matrix}6x-2y=\frac{-21}{5}\\-5x-y=\frac{11}{2}\end{matrix}\right.\qquad V=\{(\frac{-19}{20},\frac{-3}{4})\}\)
9. \(\left\{\begin{matrix}6x+4y=4\\x=-3y+\frac{-59}{6}\end{matrix}\right.\qquad V=\{(\frac{11}{3},\frac{-9}{2})\}\)
10. \(\left\{\begin{matrix}-y=\frac{106}{51}-6x\\-4x-4y=\frac{88}{51}\end{matrix}\right.\qquad V=\{(\frac{4}{17},\frac{-2}{3})\}\)
11. \(\left\{\begin{matrix}-2x-6y=\frac{-96}{7}\\-x-y=\frac{-13}{7}\end{matrix}\right.\qquad V=\{(\frac{-9}{14},\frac{5}{2})\}\)
12. \(\left\{\begin{matrix}-5x-3y=\frac{1089}{38}\\-5x=y+\frac{443}{38}\end{matrix}\right.\qquad V=\{(\frac{-12}{19},\frac{-17}{2})\}\)