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Substitutie of combinatie

1. \(\left\{\begin{matrix}-6x+4y=\frac{88}{57}\\-x=-2y+\frac{-172}{171}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6x+6y=\frac{-61}{7}\\x-4y=\frac{271}{42}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}5x+5y=\frac{-710}{171}\\3x-y=\frac{-578}{171}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-4x-6y=\frac{102}{5}\\-2x-y=\frac{73}{15}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-4y=\frac{-44}{5}+3x\\-x-3y=\frac{-173}{30}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-x-2y=\frac{-133}{78}\\4x=-2y+\frac{25}{78}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}2x-4y=\frac{410}{187}\\x-4y=\frac{359}{187}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-3x+4y=\frac{1643}{266}\\6x=y+\frac{-1153}{133}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-4x+6y=\frac{7}{2}\\-x=-5y+\frac{77}{16}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}4x-y=\frac{-899}{180}\\2x=-4y+\frac{-1}{45}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-2x+4y=\frac{-269}{9}\\-6x-y=\frac{4}{3}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}5x-y=\frac{2}{3}\\-6x=-3y+\frac{-28}{5}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-6x+4y=\frac{88}{57}\\-x=-2y+\frac{-172}{171}\end{matrix}\right.\qquad V=\{(\frac{-8}{9},\frac{-18}{19})\}\)
2. \(\left\{\begin{matrix}-6x+6y=\frac{-61}{7}\\x-4y=\frac{271}{42}\end{matrix}\right.\qquad V=\{(\frac{-3}{14},\frac{-5}{3})\}\)
3. \(\left\{\begin{matrix}5x+5y=\frac{-710}{171}\\3x-y=\frac{-578}{171}\end{matrix}\right.\qquad V=\{(\frac{-20}{19},\frac{2}{9})\}\)
4. \(\left\{\begin{matrix}-4x-6y=\frac{102}{5}\\-2x-y=\frac{73}{15}\end{matrix}\right.\qquad V=\{(\frac{-11}{10},\frac{-8}{3})\}\)
5. \(\left\{\begin{matrix}-4y=\frac{-44}{5}+3x\\-x-3y=\frac{-173}{30}\end{matrix}\right.\qquad V=\{(\frac{2}{3},\frac{17}{10})\}\)
6. \(\left\{\begin{matrix}-x-2y=\frac{-133}{78}\\4x=-2y+\frac{25}{78}\end{matrix}\right.\qquad V=\{(\frac{-6}{13},\frac{13}{12})\}\)
7. \(\left\{\begin{matrix}2x-4y=\frac{410}{187}\\x-4y=\frac{359}{187}\end{matrix}\right.\qquad V=\{(\frac{3}{11},\frac{-7}{17})\}\)
8. \(\left\{\begin{matrix}-3x+4y=\frac{1643}{266}\\6x=y+\frac{-1153}{133}\end{matrix}\right.\qquad V=\{(\frac{-19}{14},\frac{10}{19})\}\)
9. \(\left\{\begin{matrix}-4x+6y=\frac{7}{2}\\-x=-5y+\frac{77}{16}\end{matrix}\right.\qquad V=\{(\frac{13}{16},\frac{9}{8})\}\)
10. \(\left\{\begin{matrix}4x-y=\frac{-899}{180}\\2x=-4y+\frac{-1}{45}\end{matrix}\right.\qquad V=\{(\frac{-10}{9},\frac{11}{20})\}\)
11. \(\left\{\begin{matrix}-2x+4y=\frac{-269}{9}\\-6x-y=\frac{4}{3}\end{matrix}\right.\qquad V=\{(\frac{17}{18},-7)\}\)
12. \(\left\{\begin{matrix}5x-y=\frac{2}{3}\\-6x=-3y+\frac{-28}{5}\end{matrix}\right.\qquad V=\{(\frac{-2}{5},\frac{-8}{3})\}\)