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Substitutie of combinatie

1. \(\left\{\begin{matrix}-6x+3y=\frac{86}{5}\\-x=-5y+\frac{5}{3}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-6y=\frac{115}{6}-x\\4x-5y=\frac{386}{9}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}3x+3y=\frac{93}{13}\\x=6y+\frac{-95}{13}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}-3y=\frac{-966}{17}-6x\\-x-y=\frac{-349}{17}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}6x-4y=\frac{25}{6}\\-4x+y=\frac{10}{3}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-4x-2y=\frac{-214}{77}\\-6x=-y+\frac{-453}{77}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-2x-4y=\frac{55}{7}\\x=4y+\frac{71}{14}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}4y=\frac{34}{11}-5x\\3x+y=\frac{12}{11}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}2x-y=\frac{14}{15}\\2x+6y=\frac{-154}{15}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-4x-6y=\frac{-156}{5}\\5x+y=\frac{221}{5}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}-3x-y=\frac{-543}{190}\\-2x=2y+\frac{-201}{95}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}3x-3y=\frac{-69}{10}\\x=-6y+\frac{201}{10}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}-6x+3y=\frac{86}{5}\\-x=-5y+\frac{5}{3}\end{matrix}\right.\qquad V=\{(-3,\frac{-4}{15})\}\)
2. \(\left\{\begin{matrix}-6y=\frac{115}{6}-x\\4x-5y=\frac{386}{9}\end{matrix}\right.\qquad V=\{(\frac{17}{2},\frac{-16}{9})\}\)
3. \(\left\{\begin{matrix}3x+3y=\frac{93}{13}\\x=6y+\frac{-95}{13}\end{matrix}\right.\qquad V=\{(1,\frac{18}{13})\}\)
4. \(\left\{\begin{matrix}-3y=\frac{-966}{17}-6x\\-x-y=\frac{-349}{17}\end{matrix}\right.\qquad V=\{(\frac{9}{17},20)\}\)
5. \(\left\{\begin{matrix}6x-4y=\frac{25}{6}\\-4x+y=\frac{10}{3}\end{matrix}\right.\qquad V=\{(\frac{-7}{4},\frac{-11}{3})\}\)
6. \(\left\{\begin{matrix}-4x-2y=\frac{-214}{77}\\-6x=-y+\frac{-453}{77}\end{matrix}\right.\qquad V=\{(\frac{10}{11},\frac{-3}{7})\}\)
7. \(\left\{\begin{matrix}-2x-4y=\frac{55}{7}\\x=4y+\frac{71}{14}\end{matrix}\right.\qquad V=\{(\frac{-13}{14},\frac{-3}{2})\}\)
8. \(\left\{\begin{matrix}4y=\frac{34}{11}-5x\\3x+y=\frac{12}{11}\end{matrix}\right.\qquad V=\{(\frac{2}{11},\frac{6}{11})\}\)
9. \(\left\{\begin{matrix}2x-y=\frac{14}{15}\\2x+6y=\frac{-154}{15}\end{matrix}\right.\qquad V=\{(\frac{-1}{3},\frac{-8}{5})\}\)
10. \(\left\{\begin{matrix}-4x-6y=\frac{-156}{5}\\5x+y=\frac{221}{5}\end{matrix}\right.\qquad V=\{(9,\frac{-4}{5})\}\)
11. \(\left\{\begin{matrix}-3x-y=\frac{-543}{190}\\-2x=2y+\frac{-201}{95}\end{matrix}\right.\qquad V=\{(\frac{9}{10},\frac{3}{19})\}\)
12. \(\left\{\begin{matrix}3x-3y=\frac{-69}{10}\\x=-6y+\frac{201}{10}\end{matrix}\right.\qquad V=\{(\frac{9}{10},\frac{16}{5})\}\)