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Substitutie of combinatie

  1. \(\left\{\begin{matrix}-5y=\frac{-1020}{91}+5x\\x-5y=\frac{-552}{91}\end{matrix}\right.\)
  2. \(\left\{\begin{matrix}3x+6y=\frac{-408}{55}\\-5x=-y+\frac{-288}{55}\end{matrix}\right.\)
  3. \(\left\{\begin{matrix}5x-6y=\frac{-75}{44}\\x=-5y+\frac{-371}{88}\end{matrix}\right.\)
  4. \(\left\{\begin{matrix}-5x+4y=\frac{-38}{3}\\x-3y=\frac{34}{3}\end{matrix}\right.\)
  5. \(\left\{\begin{matrix}-4x+3y=\frac{-922}{17}\\-5x=-y+\frac{-311}{17}\end{matrix}\right.\)
  6. \(\left\{\begin{matrix}2x+5y=\frac{-418}{51}\\6x+y=\frac{-302}{51}\end{matrix}\right.\)
  7. \(\left\{\begin{matrix}5x+2y=\frac{-487}{42}\\x=-6y+\frac{-39}{14}\end{matrix}\right.\)
  8. \(\left\{\begin{matrix}-y=\frac{-16}{3}+2x\\-5x-2y=-15\end{matrix}\right.\)
  9. \(\left\{\begin{matrix}-3x-y=\frac{435}{323}\\4x+2y=\frac{-428}{323}\end{matrix}\right.\)
  10. \(\left\{\begin{matrix}-4x-5y=\frac{199}{17}\\-4x-y=\frac{135}{17}\end{matrix}\right.\)
  11. \(\left\{\begin{matrix}-y=\frac{-247}{144}-5x\\-4x-4y=\frac{-85}{36}\end{matrix}\right.\)
  12. \(\left\{\begin{matrix}y=\frac{-152}{9}+5x\\3x-3y=\frac{184}{15}\end{matrix}\right.\)

Substitutie of combinatie

Verbetersleutel

  1. \(\left\{\begin{matrix}-5y=\frac{-1020}{91}+5x\\x-5y=\frac{-552}{91}\end{matrix}\right.\qquad V=\{(\frac{6}{7},\frac{18}{13})\}\)
  2. \(\left\{\begin{matrix}3x+6y=\frac{-408}{55}\\-5x=-y+\frac{-288}{55}\end{matrix}\right.\qquad V=\{(\frac{8}{11},\frac{-8}{5})\}\)
  3. \(\left\{\begin{matrix}5x-6y=\frac{-75}{44}\\x=-5y+\frac{-371}{88}\end{matrix}\right.\qquad V=\{(\frac{-12}{11},\frac{-5}{8})\}\)
  4. \(\left\{\begin{matrix}-5x+4y=\frac{-38}{3}\\x-3y=\frac{34}{3}\end{matrix}\right.\qquad V=\{(\frac{-2}{3},-4)\}\)
  5. \(\left\{\begin{matrix}-4x+3y=\frac{-922}{17}\\-5x=-y+\frac{-311}{17}\end{matrix}\right.\qquad V=\{(\frac{1}{17},-18)\}\)
  6. \(\left\{\begin{matrix}2x+5y=\frac{-418}{51}\\6x+y=\frac{-302}{51}\end{matrix}\right.\qquad V=\{(\frac{-13}{17},\frac{-4}{3})\}\)
  7. \(\left\{\begin{matrix}5x+2y=\frac{-487}{42}\\x=-6y+\frac{-39}{14}\end{matrix}\right.\qquad V=\{(\frac{-16}{7},\frac{-1}{12})\}\)
  8. \(\left\{\begin{matrix}-y=\frac{-16}{3}+2x\\-5x-2y=-15\end{matrix}\right.\qquad V=\{(\frac{13}{3},\frac{-10}{3})\}\)
  9. \(\left\{\begin{matrix}-3x-y=\frac{435}{323}\\4x+2y=\frac{-428}{323}\end{matrix}\right.\qquad V=\{(\frac{-13}{19},\frac{12}{17})\}\)
  10. \(\left\{\begin{matrix}-4x-5y=\frac{199}{17}\\-4x-y=\frac{135}{17}\end{matrix}\right.\qquad V=\{(\frac{-7}{4},\frac{-16}{17})\}\)
  11. \(\left\{\begin{matrix}-y=\frac{-247}{144}-5x\\-4x-4y=\frac{-85}{36}\end{matrix}\right.\qquad V=\{(\frac{-3}{16},\frac{7}{9})\}\)
  12. \(\left\{\begin{matrix}y=\frac{-152}{9}+5x\\3x-3y=\frac{184}{15}\end{matrix}\right.\qquad V=\{(\frac{16}{5},\frac{-8}{9})\}\)
Oefeningengenerator wiskundeoefeningen.be 2026-03-25 10:30:59
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