Matematika A - 2019. ljeto, 4.

$y=\frac{1}{2}x+\frac{5}{2}y=\backslash frac\{1\}\{2\}\; x+\backslash frac\{5\}\{2\}$

$y=\frac{1}{2}x+\frac{7}{2}y=\backslash frac\{1\}\{2\}\; x+\backslash frac\{7\}\{2\}$

$y=2x+5y=2\; x+5$

$y=2x+7y=2\; x+7$