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Substitutie of combinatie

  1. \(\left\{\begin{matrix}-2x+3y=\frac{-1042}{209}\\x=4y+\frac{851}{209}\end{matrix}\right.\)
  2. \(\left\{\begin{matrix}4y=\frac{92}{3}-4x\\2x+y=\frac{40}{3}\end{matrix}\right.\)
  3. \(\left\{\begin{matrix}-4y=\frac{48}{7}+3x\\-2x-y=\frac{22}{7}\end{matrix}\right.\)
  4. \(\left\{\begin{matrix}x+4y=\frac{-83}{22}\\6x+5y=\frac{-496}{11}\end{matrix}\right.\)
  5. \(\left\{\begin{matrix}6y=67-x\\4x-3y=-56\end{matrix}\right.\)
  6. \(\left\{\begin{matrix}-2x-2y=\frac{59}{7}\\3x=-y+\frac{-101}{14}\end{matrix}\right.\)
  7. \(\left\{\begin{matrix}-6x-y=\frac{1699}{15}\\2x+2y=\frac{-548}{15}\end{matrix}\right.\)
  8. \(\left\{\begin{matrix}-5x+4y=\frac{96}{19}\\x+4y=\frac{72}{19}\end{matrix}\right.\)
  9. \(\left\{\begin{matrix}-4y=\frac{-66}{7}-4x\\-5x+y=\frac{93}{14}\end{matrix}\right.\)
  10. \(\left\{\begin{matrix}5x+6y=\frac{-173}{20}\\x+2y=\frac{-41}{20}\end{matrix}\right.\)
  11. \(\left\{\begin{matrix}4y=\frac{-27}{14}+3x\\-x+5y=\frac{-267}{56}\end{matrix}\right.\)
  12. \(\left\{\begin{matrix}x-3y=\frac{-37}{10}\\4x-5y=\frac{-3}{2}\end{matrix}\right.\)

Substitutie of combinatie

Verbetersleutel

  1. \(\left\{\begin{matrix}-2x+3y=\frac{-1042}{209}\\x=4y+\frac{851}{209}\end{matrix}\right.\qquad V=\{(\frac{17}{11},\frac{-12}{19})\}\)
  2. \(\left\{\begin{matrix}4y=\frac{92}{3}-4x\\2x+y=\frac{40}{3}\end{matrix}\right.\qquad V=\{(\frac{17}{3},2)\}\)
  3. \(\left\{\begin{matrix}-4y=\frac{48}{7}+3x\\-2x-y=\frac{22}{7}\end{matrix}\right.\qquad V=\{(\frac{-8}{7},\frac{-6}{7})\}\)
  4. \(\left\{\begin{matrix}x+4y=\frac{-83}{22}\\6x+5y=\frac{-496}{11}\end{matrix}\right.\qquad V=\{(\frac{-17}{2},\frac{13}{11})\}\)
  5. \(\left\{\begin{matrix}6y=67-x\\4x-3y=-56\end{matrix}\right.\qquad V=\{(-5,12)\}\)
  6. \(\left\{\begin{matrix}-2x-2y=\frac{59}{7}\\3x=-y+\frac{-101}{14}\end{matrix}\right.\qquad V=\{(\frac{-3}{2},\frac{-19}{7})\}\)
  7. \(\left\{\begin{matrix}-6x-y=\frac{1699}{15}\\2x+2y=\frac{-548}{15}\end{matrix}\right.\qquad V=\{(-19,\frac{11}{15})\}\)
  8. \(\left\{\begin{matrix}-5x+4y=\frac{96}{19}\\x+4y=\frac{72}{19}\end{matrix}\right.\qquad V=\{(\frac{-4}{19},1)\}\)
  9. \(\left\{\begin{matrix}-4y=\frac{-66}{7}-4x\\-5x+y=\frac{93}{14}\end{matrix}\right.\qquad V=\{(\frac{-15}{14},\frac{9}{7})\}\)
  10. \(\left\{\begin{matrix}5x+6y=\frac{-173}{20}\\x+2y=\frac{-41}{20}\end{matrix}\right.\qquad V=\{(\frac{-5}{4},\frac{-2}{5})\}\)
  11. \(\left\{\begin{matrix}4y=\frac{-27}{14}+3x\\-x+5y=\frac{-267}{56}\end{matrix}\right.\qquad V=\{(\frac{-6}{7},\frac{-9}{8})\}\)
  12. \(\left\{\begin{matrix}x-3y=\frac{-37}{10}\\4x-5y=\frac{-3}{2}\end{matrix}\right.\qquad V=\{(2,\frac{19}{10})\}\)
Oefeningengenerator wiskundeoefeningen.be 2026-09-27 09:57:52
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