Решите систему уравнений: [latex] \left \{ { \frac{x-1}{4}- \frac{y+1}{3}=4 \atop \frac{x+3}{2}- \frac{y-2}{3}=2 } \right. [/latex]

[latex]\left \{ { \frac{x-1}{4}- \frac{y+1}{3}=4 \atop \frac{x+3}{2}- \frac{y-2}{3}=2 } \right.\left \{ {3(x-1)-4(y+1)=48 \atop {3(x+3)-2(y-2)=12} \right. \left \{ {{3x-3-4y-4=48} \atop {3x+9-2y+4=12}} \right. \\ \left \{ {{3x-4y=55} \atop {3x-2y=-1}} \right. \\ -2y=56 \\ y=-28 \\ 3x-2*(-28)=-1 \\ 3x+56=-1 \\ 3x=-57 \\ x=-19 \\ (-19;-28)[/latex]