[tex]\displaystyle \left \{ {{x-2y=0} \atop {x+3y=5}} \right. \\\\\left \{ {{x=2y} \atop {x+3y=5}} \right.\\ \\2y+3y=5\\y=1\\x=2*1\\x=2\\(x,y)=(2,1)[/tex]
Пошаговое объяснение:
х - 2у = 0
х + 3у = 5
х = 5 - 3у
1)
5 - 3у - 2у = 0
-5у = -5
у = -5 : (-5)
у = 1
2)
х - 2*1 = 0
х - 2 = 0
х = 2
Ответ: (2; 1)
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[tex]\displaystyle \left \{ {{x-2y=0} \atop {x+3y=5}} \right. \\\\\left \{ {{x=2y} \atop {x+3y=5}} \right.\\ \\2y+3y=5\\y=1\\x=2*1\\x=2\\(x,y)=(2,1)[/tex]
Пошаговое объяснение:
х - 2у = 0
х + 3у = 5
х - 2у = 0
х = 5 - 3у
1)
х - 2у = 0
5 - 3у - 2у = 0
-5у = -5
у = -5 : (-5)
у = 1
2)
х - 2у = 0
х - 2*1 = 0
х - 2 = 0
х = 2
Ответ: (2; 1)