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Substitutie of combinatie

1. \(\left\{\begin{matrix}-4y=-9+5x\\2x+y=\frac{27}{8}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}3x-4y=\frac{241}{14}\\-x=-2y+\frac{-89}{14}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}3y=\frac{-10}{3}-4x\\-x+3y=\frac{-95}{12}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-y=\frac{8}{3}-6x\\-3x+3y=\frac{-49}{3}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}3x+4y=\frac{-368}{63}\\-3x=y+\frac{589}{126}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}3y=\frac{-3}{5}+2x\\3x+y=\frac{-37}{20}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}x-2y=\frac{-109}{5}\\5x=-3y+\frac{-843}{10}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}2y=\frac{-83}{38}-2x\\x-6y=\frac{365}{76}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}3x-5y=\frac{-701}{78}\\-2x=y+\frac{77}{117}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}x-5y=\frac{263}{4}\\-3x-3y=\frac{147}{4}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-x-y=\frac{1}{56}\\5x+2y=\frac{-97}{28}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-4y=\frac{202}{19}-2x\\-3x-y=\frac{-282}{19}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-4y=-9+5x\\2x+y=\frac{27}{8}\end{matrix}\right.\qquad V=\{(\frac{3}{2},\frac{3}{8})\}\)
2. \(\left\{\begin{matrix}3x-4y=\frac{241}{14}\\-x=-2y+\frac{-89}{14}\end{matrix}\right.\qquad V=\{(\frac{9}{2},\frac{-13}{14})\}\)
3. \(\left\{\begin{matrix}3y=\frac{-10}{3}-4x\\-x+3y=\frac{-95}{12}\end{matrix}\right.\qquad V=\{(\frac{11}{12},\frac{-7}{3})\}\)
4. \(\left\{\begin{matrix}-y=\frac{8}{3}-6x\\-3x+3y=\frac{-49}{3}\end{matrix}\right.\qquad V=\{(\frac{-5}{9},-6)\}\)
5. \(\left\{\begin{matrix}3x+4y=\frac{-368}{63}\\-3x=y+\frac{589}{126}\end{matrix}\right.\qquad V=\{(\frac{-10}{7},\frac{-7}{18})\}\)
6. \(\left\{\begin{matrix}3y=\frac{-3}{5}+2x\\3x+y=\frac{-37}{20}\end{matrix}\right.\qquad V=\{(\frac{-9}{20},\frac{-1}{2})\}\)
7. \(\left\{\begin{matrix}x-2y=\frac{-109}{5}\\5x=-3y+\frac{-843}{10}\end{matrix}\right.\qquad V=\{(-18,\frac{19}{10})\}\)
8. \(\left\{\begin{matrix}2y=\frac{-83}{38}-2x\\x-6y=\frac{365}{76}\end{matrix}\right.\qquad V=\{(\frac{-1}{4},\frac{-16}{19})\}\)
9. \(\left\{\begin{matrix}3x-5y=\frac{-701}{78}\\-2x=y+\frac{77}{117}\end{matrix}\right.\qquad V=\{(\frac{-17}{18},\frac{16}{13})\}\)
10. \(\left\{\begin{matrix}x-5y=\frac{263}{4}\\-3x-3y=\frac{147}{4}\end{matrix}\right.\qquad V=\{(\frac{3}{4},-13)\}\)
11. \(\left\{\begin{matrix}-x-y=\frac{1}{56}\\5x+2y=\frac{-97}{28}\end{matrix}\right.\qquad V=\{(\frac{-8}{7},\frac{9}{8})\}\)
12. \(\left\{\begin{matrix}-4y=\frac{202}{19}-2x\\-3x-y=\frac{-282}{19}\end{matrix}\right.\qquad V=\{(5,\frac{-3}{19})\}\)