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Substitutie of combinatie

1. \(\left\{\begin{matrix}-x-4y=\frac{8}{77}\\3x=-3y+\frac{-402}{77}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}6x-5y=\frac{-56}{3}\\4x=y+\frac{-49}{3}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}5x+5y=\frac{970}{247}\\-x=-5y+\frac{-740}{247}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}3y=\frac{49}{19}+5x\\x-y=\frac{-31}{95}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}6y=\frac{-485}{9}-x\\-3x-4y=\frac{107}{3}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-6x-6y=\frac{-1866}{187}\\-x+6y=\frac{1152}{187}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-2x-6y=\frac{119}{15}\\-x=-y+\frac{-73}{30}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}4x-5y=\frac{107}{10}\\-2x+y=\frac{-43}{10}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}-x+3y=\frac{-172}{19}\\-3x+3y=\frac{-174}{19}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}3x+6y=\frac{104}{3}\\-x=-y+\frac{58}{9}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-y=\frac{98}{45}-4x\\5x-6y=\frac{208}{45}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-6x+4y=\frac{-717}{133}\\-x-4y=\frac{-827}{266}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-x-4y=\frac{8}{77}\\3x=-3y+\frac{-402}{77}\end{matrix}\right.\qquad V=\{(\frac{-16}{7},\frac{6}{11})\}\)
2. \(\left\{\begin{matrix}6x-5y=\frac{-56}{3}\\4x=y+\frac{-49}{3}\end{matrix}\right.\qquad V=\{(\frac{-9}{2},\frac{-5}{3})\}\)
3. \(\left\{\begin{matrix}5x+5y=\frac{970}{247}\\-x=-5y+\frac{-740}{247}\end{matrix}\right.\qquad V=\{(\frac{15}{13},\frac{-7}{19})\}\)
4. \(\left\{\begin{matrix}3y=\frac{49}{19}+5x\\x-y=\frac{-31}{95}\end{matrix}\right.\qquad V=\{(\frac{-4}{5},\frac{-9}{19})\}\)
5. \(\left\{\begin{matrix}6y=\frac{-485}{9}-x\\-3x-4y=\frac{107}{3}\end{matrix}\right.\qquad V=\{(\frac{1}{9},-9)\}\)
6. \(\left\{\begin{matrix}-6x-6y=\frac{-1866}{187}\\-x+6y=\frac{1152}{187}\end{matrix}\right.\qquad V=\{(\frac{6}{11},\frac{19}{17})\}\)
7. \(\left\{\begin{matrix}-2x-6y=\frac{119}{15}\\-x=-y+\frac{-73}{30}\end{matrix}\right.\qquad V=\{(\frac{5}{6},\frac{-8}{5})\}\)
8. \(\left\{\begin{matrix}4x-5y=\frac{107}{10}\\-2x+y=\frac{-43}{10}\end{matrix}\right.\qquad V=\{(\frac{9}{5},\frac{-7}{10})\}\)
9. \(\left\{\begin{matrix}-x+3y=\frac{-172}{19}\\-3x+3y=\frac{-174}{19}\end{matrix}\right.\qquad V=\{(\frac{1}{19},-3)\}\)
10. \(\left\{\begin{matrix}3x+6y=\frac{104}{3}\\-x=-y+\frac{58}{9}\end{matrix}\right.\qquad V=\{(\frac{-4}{9},6)\}\)
11. \(\left\{\begin{matrix}-y=\frac{98}{45}-4x\\5x-6y=\frac{208}{45}\end{matrix}\right.\qquad V=\{(\frac{4}{9},\frac{-2}{5})\}\)
12. \(\left\{\begin{matrix}-6x+4y=\frac{-717}{133}\\-x-4y=\frac{-827}{266}\end{matrix}\right.\qquad V=\{(\frac{17}{14},\frac{9}{19})\}\)