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Substitutie of combinatie

1. \(\left\{\begin{matrix}6x+6y=\frac{-948}{91}\\-3x=-y+\frac{362}{91}\end{matrix}\right.\)
2. \(\left\{\begin{matrix}-4x+3y=\frac{-91}{2}\\-x+2y=\frac{-29}{2}\end{matrix}\right.\)
3. \(\left\{\begin{matrix}-2x+3y=\frac{521}{45}\\-6x+y=\frac{209}{15}\end{matrix}\right.\)
4. \(\left\{\begin{matrix}4x-4y=\frac{-772}{143}\\x=6y+\frac{-963}{143}\end{matrix}\right.\)
5. \(\left\{\begin{matrix}-4x-4y=8\\-x=-y+\frac{2}{3}\end{matrix}\right.\)
6. \(\left\{\begin{matrix}-5x-3y=\frac{787}{57}\\-x=y+\frac{161}{57}\end{matrix}\right.\)
7. \(\left\{\begin{matrix}-2y=\frac{124}{15}-4x\\x+4y=\frac{179}{30}\end{matrix}\right.\)
8. \(\left\{\begin{matrix}4y=\frac{143}{30}+2x\\x-y=\frac{-29}{60}\end{matrix}\right.\)
9. \(\left\{\begin{matrix}y=\frac{23}{15}-3x\\-4x-3y=\frac{-289}{90}\end{matrix}\right.\)
10. \(\left\{\begin{matrix}-6x+6y=\frac{81}{10}\\-x+y=\frac{27}{20}\end{matrix}\right.\)
11. \(\left\{\begin{matrix}6x-2y=\frac{8}{15}\\x-y=\frac{-2}{15}\end{matrix}\right.\)
12. \(\left\{\begin{matrix}-6y=\frac{124}{51}-5x\\-x+2y=\frac{-88}{153}\end{matrix}\right.\)

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Substitutie of combinatie

Verbetersleutel

1. \(\left\{\begin{matrix}6x+6y=\frac{-948}{91}\\-3x=-y+\frac{362}{91}\end{matrix}\right.\qquad V=\{(\frac{-10}{7},\frac{-4}{13})\}\)
2. \(\left\{\begin{matrix}-4x+3y=\frac{-91}{2}\\-x+2y=\frac{-29}{2}\end{matrix}\right.\qquad V=\{(\frac{19}{2},\frac{-5}{2})\}\)
3. \(\left\{\begin{matrix}-2x+3y=\frac{521}{45}\\-6x+y=\frac{209}{15}\end{matrix}\right.\qquad V=\{(\frac{-17}{9},\frac{13}{5})\}\)
4. \(\left\{\begin{matrix}4x-4y=\frac{-772}{143}\\x=6y+\frac{-963}{143}\end{matrix}\right.\qquad V=\{(\frac{-3}{11},\frac{14}{13})\}\)
5. \(\left\{\begin{matrix}-4x-4y=8\\-x=-y+\frac{2}{3}\end{matrix}\right.\qquad V=\{(\frac{-4}{3},\frac{-2}{3})\}\)
6. \(\left\{\begin{matrix}-5x-3y=\frac{787}{57}\\-x=y+\frac{161}{57}\end{matrix}\right.\qquad V=\{(\frac{-8}{3},\frac{-3}{19})\}\)
7. \(\left\{\begin{matrix}-2y=\frac{124}{15}-4x\\x+4y=\frac{179}{30}\end{matrix}\right.\qquad V=\{(\frac{5}{2},\frac{13}{15})\}\)
8. \(\left\{\begin{matrix}4y=\frac{143}{30}+2x\\x-y=\frac{-29}{60}\end{matrix}\right.\qquad V=\{(\frac{17}{12},\frac{19}{10})\}\)
9. \(\left\{\begin{matrix}y=\frac{23}{15}-3x\\-4x-3y=\frac{-289}{90}\end{matrix}\right.\qquad V=\{(\frac{5}{18},\frac{7}{10})\}\)
10. \(\left\{\begin{matrix}-6x+6y=\frac{81}{10}\\-x+y=\frac{27}{20}\end{matrix}\right.\qquad V=\{(\frac{-7}{4},\frac{-2}{5})\}\)
11. \(\left\{\begin{matrix}6x-2y=\frac{8}{15}\\x-y=\frac{-2}{15}\end{matrix}\right.\qquad V=\{(\frac{1}{5},\frac{1}{3})\}\)
12. \(\left\{\begin{matrix}-6y=\frac{124}{51}-5x\\-x+2y=\frac{-88}{153}\end{matrix}\right.\qquad V=\{(\frac{6}{17},\frac{-1}{9})\}\)