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Substitutie of combinatie

  1. \(\left\{\begin{matrix}5y=-5-5x\\-x+2y=-5\end{matrix}\right.\)
  2. \(\left\{\begin{matrix}2y=\frac{-2}{11}+2x\\2x-y=\frac{19}{11}\end{matrix}\right.\)
  3. \(\left\{\begin{matrix}-5y=\frac{-71}{21}-x\\6x-3y=\frac{-79}{7}\end{matrix}\right.\)
  4. \(\left\{\begin{matrix}y=\frac{-1}{2}-6x\\2x-3y=\frac{11}{2}\end{matrix}\right.\)
  5. \(\left\{\begin{matrix}4x-4y=-11\\x=-5y+\frac{43}{4}\end{matrix}\right.\)
  6. \(\left\{\begin{matrix}6x+3y=\frac{453}{56}\\-2x=y+\frac{-151}{56}\end{matrix}\right.\)
  7. \(\left\{\begin{matrix}-3y=\frac{-127}{88}-2x\\x-4y=\frac{-9}{22}\end{matrix}\right.\)
  8. \(\left\{\begin{matrix}-3x-6y=\frac{69}{20}\\x=-y+\frac{-9}{20}\end{matrix}\right.\)
  9. \(\left\{\begin{matrix}6x-6y=\frac{-33}{5}\\x+y=\frac{29}{10}\end{matrix}\right.\)
  10. \(\left\{\begin{matrix}-x-2y=\frac{-47}{18}\\3x=3y+\frac{-43}{6}\end{matrix}\right.\)
  11. \(\left\{\begin{matrix}4x+y=\frac{69}{13}\\-3x+3y=\frac{12}{13}\end{matrix}\right.\)
  12. \(\left\{\begin{matrix}6y=\frac{-153}{4}+3x\\-3x-y=\frac{-341}{8}\end{matrix}\right.\)

Substitutie of combinatie

Verbetersleutel

  1. \(\left\{\begin{matrix}5y=-5-5x\\-x+2y=-5\end{matrix}\right.\qquad V=\{(1,-2)\}\)
  2. \(\left\{\begin{matrix}2y=\frac{-2}{11}+2x\\2x-y=\frac{19}{11}\end{matrix}\right.\qquad V=\{(\frac{18}{11},\frac{17}{11})\}\)
  3. \(\left\{\begin{matrix}-5y=\frac{-71}{21}-x\\6x-3y=\frac{-79}{7}\end{matrix}\right.\qquad V=\{(\frac{-12}{7},\frac{1}{3})\}\)
  4. \(\left\{\begin{matrix}y=\frac{-1}{2}-6x\\2x-3y=\frac{11}{2}\end{matrix}\right.\qquad V=\{(\frac{1}{5},\frac{-17}{10})\}\)
  5. \(\left\{\begin{matrix}4x-4y=-11\\x=-5y+\frac{43}{4}\end{matrix}\right.\qquad V=\{(\frac{-1}{2},\frac{9}{4})\}\)
  6. \(\left\{\begin{matrix}6x+3y=\frac{453}{56}\\-2x=y+\frac{-151}{56}\end{matrix}\right.\qquad V=\{(\frac{9}{7},\frac{1}{8})\}\)
  7. \(\left\{\begin{matrix}-3y=\frac{-127}{88}-2x\\x-4y=\frac{-9}{22}\end{matrix}\right.\qquad V=\{(\frac{-10}{11},\frac{-1}{8})\}\)
  8. \(\left\{\begin{matrix}-3x-6y=\frac{69}{20}\\x=-y+\frac{-9}{20}\end{matrix}\right.\qquad V=\{(\frac{1}{4},\frac{-7}{10})\}\)
  9. \(\left\{\begin{matrix}6x-6y=\frac{-33}{5}\\x+y=\frac{29}{10}\end{matrix}\right.\qquad V=\{(\frac{9}{10},2)\}\)
  10. \(\left\{\begin{matrix}-x-2y=\frac{-47}{18}\\3x=3y+\frac{-43}{6}\end{matrix}\right.\qquad V=\{(\frac{-13}{18},\frac{5}{3})\}\)
  11. \(\left\{\begin{matrix}4x+y=\frac{69}{13}\\-3x+3y=\frac{12}{13}\end{matrix}\right.\qquad V=\{(1,\frac{17}{13})\}\)
  12. \(\left\{\begin{matrix}6y=\frac{-153}{4}+3x\\-3x-y=\frac{-341}{8}\end{matrix}\right.\qquad V=\{(14,\frac{5}{8})\}\)
Oefeningengenerator wiskundeoefeningen.be 2026-04-15 09:49:34
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