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Substitutie of combinatie

  1. \(\left\{\begin{matrix}-3x+y=\frac{45}{14}\\6x=-5y+\frac{-10}{7}\end{matrix}\right.\)
  2. \(\left\{\begin{matrix}4x-4y=\frac{32}{5}\\3x=-y+\frac{-14}{5}\end{matrix}\right.\)
  3. \(\left\{\begin{matrix}-2x+6y=\frac{-29}{12}\\x=-6y+\frac{-53}{12}\end{matrix}\right.\)
  4. \(\left\{\begin{matrix}5y=\frac{-707}{272}+x\\-4x-3y=\frac{-91}{272}\end{matrix}\right.\)
  5. \(\left\{\begin{matrix}3x+y=\frac{22}{7}\\-2x=6y+\frac{-164}{7}\end{matrix}\right.\)
  6. \(\left\{\begin{matrix}6x+y=\frac{98}{19}\\-5x=-2y+\frac{-127}{19}\end{matrix}\right.\)
  7. \(\left\{\begin{matrix}-6y=18+3x\\-2x-y=9\end{matrix}\right.\)
  8. \(\left\{\begin{matrix}3x-6y=\frac{-253}{17}\\2x+y=\frac{89}{51}\end{matrix}\right.\)
  9. \(\left\{\begin{matrix}6x+3y=\frac{552}{55}\\-x-6y=\frac{-334}{55}\end{matrix}\right.\)
  10. \(\left\{\begin{matrix}3x-y=-5\\-4x=2y+\frac{-5}{2}\end{matrix}\right.\)
  11. \(\left\{\begin{matrix}2y=\frac{52}{19}+5x\\-x-2y=\frac{56}{19}\end{matrix}\right.\)
  12. \(\left\{\begin{matrix}-6x+5y=\frac{44}{3}\\-5x+y=\frac{-14}{3}\end{matrix}\right.\)

Substitutie of combinatie

Verbetersleutel

  1. \(\left\{\begin{matrix}-3x+y=\frac{45}{14}\\6x=-5y+\frac{-10}{7}\end{matrix}\right.\qquad V=\{(\frac{-5}{6},\frac{5}{7})\}\)
  2. \(\left\{\begin{matrix}4x-4y=\frac{32}{5}\\3x=-y+\frac{-14}{5}\end{matrix}\right.\qquad V=\{(\frac{-3}{10},\frac{-19}{10})\}\)
  3. \(\left\{\begin{matrix}-2x+6y=\frac{-29}{12}\\x=-6y+\frac{-53}{12}\end{matrix}\right.\qquad V=\{(\frac{-2}{3},\frac{-5}{8})\}\)
  4. \(\left\{\begin{matrix}5y=\frac{-707}{272}+x\\-4x-3y=\frac{-91}{272}\end{matrix}\right.\qquad V=\{(\frac{7}{17},\frac{-7}{16})\}\)
  5. \(\left\{\begin{matrix}3x+y=\frac{22}{7}\\-2x=6y+\frac{-164}{7}\end{matrix}\right.\qquad V=\{(\frac{-2}{7},4)\}\)
  6. \(\left\{\begin{matrix}6x+y=\frac{98}{19}\\-5x=-2y+\frac{-127}{19}\end{matrix}\right.\qquad V=\{(1,\frac{-16}{19})\}\)
  7. \(\left\{\begin{matrix}-6y=18+3x\\-2x-y=9\end{matrix}\right.\qquad V=\{(-4,-1)\}\)
  8. \(\left\{\begin{matrix}3x-6y=\frac{-253}{17}\\2x+y=\frac{89}{51}\end{matrix}\right.\qquad V=\{(\frac{-5}{17},\frac{7}{3})\}\)
  9. \(\left\{\begin{matrix}6x+3y=\frac{552}{55}\\-x-6y=\frac{-334}{55}\end{matrix}\right.\qquad V=\{(\frac{14}{11},\frac{4}{5})\}\)
  10. \(\left\{\begin{matrix}3x-y=-5\\-4x=2y+\frac{-5}{2}\end{matrix}\right.\qquad V=\{(\frac{-3}{4},\frac{11}{4})\}\)
  11. \(\left\{\begin{matrix}2y=\frac{52}{19}+5x\\-x-2y=\frac{56}{19}\end{matrix}\right.\qquad V=\{(\frac{-18}{19},-1)\}\)
  12. \(\left\{\begin{matrix}-6x+5y=\frac{44}{3}\\-5x+y=\frac{-14}{3}\end{matrix}\right.\qquad V=\{(2,\frac{16}{3})\}\)
Oefeningengenerator wiskundeoefeningen.be 2026-03-22 01:09:30
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