Пояснення:
[tex]\displaystyle\\\left \{ {3*(x+1)-2*(y+3)=7} \atop {4*(x-1)+3*(y-1)=-5}} \right. \ \ \ \ \ \ \left \{ {{3x+3-2y-6=7} \atop {4x-4+3y-3=-5}} \right. \\\\\\\left \{ {{3x-2y=10\ |*3} \atop {4x+3y=2\ |*2}} \right. \ \ \ \ \ \ +\left \{ {{9x-6y=30} \atop {8x+6y=4}} \right.\ \ \ \ \ \ \Rightarrow\\\\17x=34\ |:17\\\\x=2.\ \ \ \ \Rightarrow\\\\4*2+3y=2\\\\8+3y=2\\\\3y=-6\ |:3\\\\y=-2.[/tex]
Відповідь: (2;-2).
Ответ:
(2;-2)
Объяснение:
ьл шппшпшппшгпгмг
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Пояснення:
[tex]\displaystyle\\\left \{ {3*(x+1)-2*(y+3)=7} \atop {4*(x-1)+3*(y-1)=-5}} \right. \ \ \ \ \ \ \left \{ {{3x+3-2y-6=7} \atop {4x-4+3y-3=-5}} \right. \\\\\\\left \{ {{3x-2y=10\ |*3} \atop {4x+3y=2\ |*2}} \right. \ \ \ \ \ \ +\left \{ {{9x-6y=30} \atop {8x+6y=4}} \right.\ \ \ \ \ \ \Rightarrow\\\\17x=34\ |:17\\\\x=2.\ \ \ \ \Rightarrow\\\\4*2+3y=2\\\\8+3y=2\\\\3y=-6\ |:3\\\\y=-2.[/tex]
Відповідь: (2;-2).
Ответ:
(2;-2)
Объяснение:
ьл шппшпшппшгпгмг