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Řešení soustavy rovnic
Řeš v ℝ × ℝ soustavu rovnic:
3(x\ –\ 2y) + 1 = x + 13
\large -2\left( x + y\right) = 3\left( x-y\right) -2
\large K = \left \{ {\left[ {1;- 3} \right] } \right \}
\large K = \left \{ {\left[ {2; 0} \right] } \right \}
\large K = \left \{ {\left[ {0;- 2} \right] } \right \}
\large K = \left \{ {\left[ {-1; 1} \right] } \right \}