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Substitutie of combinatie

  1. \(\left\{\begin{matrix}-5y=\frac{23}{10}+2x\\-x-6y=\frac{-3}{5}\end{matrix}\right.\)
  2. \(\left\{\begin{matrix}-3y=\frac{-124}{95}+4x\\-x+4y=\frac{541}{380}\end{matrix}\right.\)
  3. \(\left\{\begin{matrix}4x+2y=\frac{-38}{11}\\-3x-y=\frac{28}{11}\end{matrix}\right.\)
  4. \(\left\{\begin{matrix}-2x-2y=\frac{-5}{2}\\x-3y=\frac{-61}{12}\end{matrix}\right.\)
  5. \(\left\{\begin{matrix}4x-5y=\frac{-68}{33}\\-5x-y=\frac{106}{165}\end{matrix}\right.\)
  6. \(\left\{\begin{matrix}-5y=\frac{1}{4}-5x\\x-2y=\frac{-9}{10}\end{matrix}\right.\)
  7. \(\left\{\begin{matrix}3x+y=\frac{-23}{5}\\-6x=-4y+\frac{-104}{5}\end{matrix}\right.\)
  8. \(\left\{\begin{matrix}4x+y=\frac{32}{5}\\-5x=-6y+\frac{34}{3}\end{matrix}\right.\)
  9. \(\left\{\begin{matrix}5x+3y=\frac{-487}{88}\\-x=-5y+\frac{-709}{88}\end{matrix}\right.\)
  10. \(\left\{\begin{matrix}-y=\frac{-88}{45}+x\\-2x+3y=\frac{-86}{45}\end{matrix}\right.\)
  11. \(\left\{\begin{matrix}3y=\frac{-52}{17}-6x\\-x+5y=\frac{-73}{51}\end{matrix}\right.\)
  12. \(\left\{\begin{matrix}-5x+y=\frac{-37}{20}\\6x+2y=\frac{-1}{2}\end{matrix}\right.\)

Substitutie of combinatie

Verbetersleutel

  1. \(\left\{\begin{matrix}-5y=\frac{23}{10}+2x\\-x-6y=\frac{-3}{5}\end{matrix}\right.\qquad V=\{(\frac{-12}{5},\frac{1}{2})\}\)
  2. \(\left\{\begin{matrix}-3y=\frac{-124}{95}+4x\\-x+4y=\frac{541}{380}\end{matrix}\right.\qquad V=\{(\frac{1}{20},\frac{7}{19})\}\)
  3. \(\left\{\begin{matrix}4x+2y=\frac{-38}{11}\\-3x-y=\frac{28}{11}\end{matrix}\right.\qquad V=\{(\frac{-9}{11},\frac{-1}{11})\}\)
  4. \(\left\{\begin{matrix}-2x-2y=\frac{-5}{2}\\x-3y=\frac{-61}{12}\end{matrix}\right.\qquad V=\{(\frac{-1}{3},\frac{19}{12})\}\)
  5. \(\left\{\begin{matrix}4x-5y=\frac{-68}{33}\\-5x-y=\frac{106}{165}\end{matrix}\right.\qquad V=\{(\frac{-2}{11},\frac{4}{15})\}\)
  6. \(\left\{\begin{matrix}-5y=\frac{1}{4}-5x\\x-2y=\frac{-9}{10}\end{matrix}\right.\qquad V=\{(1,\frac{19}{20})\}\)
  7. \(\left\{\begin{matrix}3x+y=\frac{-23}{5}\\-6x=-4y+\frac{-104}{5}\end{matrix}\right.\qquad V=\{(\frac{2}{15},-5)\}\)
  8. \(\left\{\begin{matrix}4x+y=\frac{32}{5}\\-5x=-6y+\frac{34}{3}\end{matrix}\right.\qquad V=\{(\frac{14}{15},\frac{8}{3})\}\)
  9. \(\left\{\begin{matrix}5x+3y=\frac{-487}{88}\\-x=-5y+\frac{-709}{88}\end{matrix}\right.\qquad V=\{(\frac{-1}{8},\frac{-18}{11})\}\)
  10. \(\left\{\begin{matrix}-y=\frac{-88}{45}+x\\-2x+3y=\frac{-86}{45}\end{matrix}\right.\qquad V=\{(\frac{14}{9},\frac{2}{5})\}\)
  11. \(\left\{\begin{matrix}3y=\frac{-52}{17}-6x\\-x+5y=\frac{-73}{51}\end{matrix}\right.\qquad V=\{(\frac{-1}{3},\frac{-6}{17})\}\)
  12. \(\left\{\begin{matrix}-5x+y=\frac{-37}{20}\\6x+2y=\frac{-1}{2}\end{matrix}\right.\qquad V=\{(\frac{1}{5},\frac{-17}{20})\}\)
Oefeningengenerator wiskundeoefeningen.be 2026-01-29 15:57:22
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