[tex]\displaystyle\bf\\\left \{ {{3x+2y=1} \atop {x-y=-3} \ |\cdot 2} \right. \\\\\\+\left \{ {{3x+2y=1} \atop {2x-2y=-6}} \right.\\ ----------\\5x=-5\\\\\boxed{x=-1}\\\\y=x+3=-1+3=2\\\\\boxed{y=2}\\\\Otvet: \ (-1 \ ; \ 2)[/tex]
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[tex]\displaystyle\bf\\\left \{ {{3x+2y=1} \atop {x-y=-3} \ |\cdot 2} \right. \\\\\\+\left \{ {{3x+2y=1} \atop {2x-2y=-6}} \right.\\ ----------\\5x=-5\\\\\boxed{x=-1}\\\\y=x+3=-1+3=2\\\\\boxed{y=2}\\\\Otvet: \ (-1 \ ; \ 2)[/tex]