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Substitutie of combinatie

1. \(\left\{\begin{matrix}-5x-y=\frac{655}{11}\\-4x=-2y+\frac{538}{11}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}6x+y=\frac{1552}{133}\\-5x=2y+\frac{-1375}{133}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}6y=\frac{-973}{60}-5x\\-4x-y=\frac{92}{15}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-3y=\frac{-69}{10}+2x\\x+2y=\frac{91}{20}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-4x-y=\frac{-67}{10}\\-3x-5y=\frac{-29}{10}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}3x-4y=\frac{-11}{5}\\-4x-y=\frac{21}{5}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-6x-y=\frac{68}{11}\\2x-5y=\frac{-12}{11}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-6x+5y=\frac{71}{7}\\x=y+\frac{-123}{70}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-4x+5y=\frac{56}{3}\\-5x=-y+\frac{259}{12}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}2x-6y=\frac{164}{7}\\-6x=-y+\frac{-424}{7}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-2x+6y=\frac{79}{7}\\-3x-y=\frac{-83}{14}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}2y=\frac{-141}{7}-x\\-4x+2y=\frac{559}{7}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-5x-y=\frac{655}{11}\\-4x=-2y+\frac{538}{11}\end{matrix}\right.\qquad V=\{(-12,\frac{5}{11})\}\)
2. \(\left\{\begin{matrix}6x+y=\frac{1552}{133}\\-5x=2y+\frac{-1375}{133}\end{matrix}\right.\qquad V=\{(\frac{13}{7},\frac{10}{19})\}\)
3. \(\left\{\begin{matrix}6y=\frac{-973}{60}-5x\\-4x-y=\frac{92}{15}\end{matrix}\right.\qquad V=\{(\frac{-13}{12},\frac{-9}{5})\}\)
4. \(\left\{\begin{matrix}-3y=\frac{-69}{10}+2x\\x+2y=\frac{91}{20}\end{matrix}\right.\qquad V=\{(\frac{3}{20},\frac{11}{5})\}\)
5. \(\left\{\begin{matrix}-4x-y=\frac{-67}{10}\\-3x-5y=\frac{-29}{10}\end{matrix}\right.\qquad V=\{(\frac{9}{5},\frac{-1}{2})\}\)
6. \(\left\{\begin{matrix}3x-4y=\frac{-11}{5}\\-4x-y=\frac{21}{5}\end{matrix}\right.\qquad V=\{(-1,\frac{-1}{5})\}\)
7. \(\left\{\begin{matrix}-6x-y=\frac{68}{11}\\2x-5y=\frac{-12}{11}\end{matrix}\right.\qquad V=\{(-1,\frac{-2}{11})\}\)
8. \(\left\{\begin{matrix}-6x+5y=\frac{71}{7}\\x=y+\frac{-123}{70}\end{matrix}\right.\qquad V=\{(\frac{-19}{14},\frac{2}{5})\}\)
9. \(\left\{\begin{matrix}-4x+5y=\frac{56}{3}\\-5x=-y+\frac{259}{12}\end{matrix}\right.\qquad V=\{(\frac{-17}{4},\frac{1}{3})\}\)
10. \(\left\{\begin{matrix}2x-6y=\frac{164}{7}\\-6x=-y+\frac{-424}{7}\end{matrix}\right.\qquad V=\{(10,\frac{-4}{7})\}\)
11. \(\left\{\begin{matrix}-2x+6y=\frac{79}{7}\\-3x-y=\frac{-83}{14}\end{matrix}\right.\qquad V=\{(\frac{17}{14},\frac{16}{7})\}\)
12. \(\left\{\begin{matrix}2y=\frac{-141}{7}-x\\-4x+2y=\frac{559}{7}\end{matrix}\right.\qquad V=\{(-20,\frac{-1}{14})\}\)