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Substitutie of combinatie

1. \(\left\{\begin{matrix}3x-6y=\frac{-33}{10}\\-3x=y+\frac{27}{5}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6x+y=\frac{-311}{34}\\4x+6y=\frac{-293}{17}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-4y=\frac{-33}{16}+5x\\3x-y=\frac{-89}{16}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-5x-5y=\frac{1}{16}\\-4x+y=\frac{79}{80}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}4x-4y=\frac{128}{65}\\-x=-y+\frac{-32}{65}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}6y=\frac{4}{5}+4x\\-x+6y=\frac{-49}{10}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}3x-y=\frac{-25}{3}\\5x=3y+\frac{-149}{9}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}6y=\frac{-585}{152}+6x\\x+4y=\frac{-685}{304}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-4x-3y=\frac{68}{9}\\-x=-y+\frac{-29}{18}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}x+5y=\frac{17}{88}\\3x-3y=\frac{249}{88}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}3x+4y=\frac{-287}{45}\\-6x-y=\frac{119}{45}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-6x-y=\frac{-1907}{380}\\2x-5y=\frac{269}{76}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}3x-6y=\frac{-33}{10}\\-3x=y+\frac{27}{5}\end{matrix}\right.\qquad V=\{(\frac{-17}{10},\frac{-3}{10})\}\)
2. \(\left\{\begin{matrix}-6x+y=\frac{-311}{34}\\4x+6y=\frac{-293}{17}\end{matrix}\right.\qquad V=\{(\frac{16}{17},\frac{-7}{2})\}\)
3. \(\left\{\begin{matrix}-4y=\frac{-33}{16}+5x\\3x-y=\frac{-89}{16}\end{matrix}\right.\qquad V=\{(\frac{-19}{16},2)\}\)
4. \(\left\{\begin{matrix}-5x-5y=\frac{1}{16}\\-4x+y=\frac{79}{80}\end{matrix}\right.\qquad V=\{(\frac{-1}{5},\frac{3}{16})\}\)
5. \(\left\{\begin{matrix}4x-4y=\frac{128}{65}\\-x=-y+\frac{-32}{65}\end{matrix}\right.\qquad V=\{(\frac{-1}{5},\frac{-9}{13})\}\)
6. \(\left\{\begin{matrix}6y=\frac{4}{5}+4x\\-x+6y=\frac{-49}{10}\end{matrix}\right.\qquad V=\{(\frac{-19}{10},\frac{-17}{15})\}\)
7. \(\left\{\begin{matrix}3x-y=\frac{-25}{3}\\5x=3y+\frac{-149}{9}\end{matrix}\right.\qquad V=\{(\frac{-19}{9},2)\}\)
8. \(\left\{\begin{matrix}6y=\frac{-585}{152}+6x\\x+4y=\frac{-685}{304}\end{matrix}\right.\qquad V=\{(\frac{1}{16},\frac{-11}{19})\}\)
9. \(\left\{\begin{matrix}-4x-3y=\frac{68}{9}\\-x=-y+\frac{-29}{18}\end{matrix}\right.\qquad V=\{(\frac{-7}{18},-2)\}\)
10. \(\left\{\begin{matrix}x+5y=\frac{17}{88}\\3x-3y=\frac{249}{88}\end{matrix}\right.\qquad V=\{(\frac{9}{11},\frac{-1}{8})\}\)
11. \(\left\{\begin{matrix}3x+4y=\frac{-287}{45}\\-6x-y=\frac{119}{45}\end{matrix}\right.\qquad V=\{(\frac{-1}{5},\frac{-13}{9})\}\)
12. \(\left\{\begin{matrix}-6x-y=\frac{-1907}{380}\\2x-5y=\frac{269}{76}\end{matrix}\right.\qquad V=\{(\frac{17}{19},\frac{-7}{20})\}\)