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Substitutie of combinatie

1. \(\left\{\begin{matrix}2x-y=\frac{-229}{170}\\2x=4y+\frac{-38}{85}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6x+6y=\frac{-166}{11}\\-2x-y=\frac{263}{33}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-5x+4y=\frac{35}{3}\\-4x+y=\frac{-38}{3}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-5y=\frac{219}{80}-x\\3x+3y=\frac{387}{80}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}6y=\frac{-232}{39}-2x\\x-2y=\frac{-23}{117}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-5x+2y=\frac{-36}{11}\\-6x-y=\frac{325}{22}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-5x-3y=\frac{35}{3}\\-x=-4y+\frac{128}{45}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}-2x-3y=\frac{429}{95}\\x=5y+\frac{-767}{95}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}y=\frac{-93}{220}+x\\3x-5y=\frac{839}{220}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-5x-y=\frac{571}{45}\\6x-2y=\frac{-46}{15}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}5y=\frac{265}{9}-4x\\-x+4y=\frac{-40}{9}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-4y=\frac{544}{99}-6x\\x-2y=\frac{164}{99}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}2x-y=\frac{-229}{170}\\2x=4y+\frac{-38}{85}\end{matrix}\right.\qquad V=\{(\frac{-14}{17},\frac{-3}{10})\}\)
2. \(\left\{\begin{matrix}-6x+6y=\frac{-166}{11}\\-2x-y=\frac{263}{33}\end{matrix}\right.\qquad V=\{(\frac{-20}{11},\frac{-13}{3})\}\)
3. \(\left\{\begin{matrix}-5x+4y=\frac{35}{3}\\-4x+y=\frac{-38}{3}\end{matrix}\right.\qquad V=\{(\frac{17}{3},10)\}\)
4. \(\left\{\begin{matrix}-5y=\frac{219}{80}-x\\3x+3y=\frac{387}{80}\end{matrix}\right.\qquad V=\{(\frac{9}{5},\frac{-3}{16})\}\)
5. \(\left\{\begin{matrix}6y=\frac{-232}{39}-2x\\x-2y=\frac{-23}{117}\end{matrix}\right.\qquad V=\{(\frac{-17}{13},\frac{-5}{9})\}\)
6. \(\left\{\begin{matrix}-5x+2y=\frac{-36}{11}\\-6x-y=\frac{325}{22}\end{matrix}\right.\qquad V=\{(\frac{-17}{11},\frac{-11}{2})\}\)
7. \(\left\{\begin{matrix}-5x-3y=\frac{35}{3}\\-x=-4y+\frac{128}{45}\end{matrix}\right.\qquad V=\{(\frac{-12}{5},\frac{1}{9})\}\)
8. \(\left\{\begin{matrix}-2x-3y=\frac{429}{95}\\x=5y+\frac{-767}{95}\end{matrix}\right.\qquad V=\{(\frac{-18}{5},\frac{17}{19})\}\)
9. \(\left\{\begin{matrix}y=\frac{-93}{220}+x\\3x-5y=\frac{839}{220}\end{matrix}\right.\qquad V=\{(\frac{-17}{20},\frac{-14}{11})\}\)
10. \(\left\{\begin{matrix}-5x-y=\frac{571}{45}\\6x-2y=\frac{-46}{15}\end{matrix}\right.\qquad V=\{(\frac{-16}{9},\frac{-19}{5})\}\)
11. \(\left\{\begin{matrix}5y=\frac{265}{9}-4x\\-x+4y=\frac{-40}{9}\end{matrix}\right.\qquad V=\{(\frac{20}{3},\frac{5}{9})\}\)
12. \(\left\{\begin{matrix}-4y=\frac{544}{99}-6x\\x-2y=\frac{164}{99}\end{matrix}\right.\qquad V=\{(\frac{6}{11},\frac{-5}{9})\}\)