Ответ: y= -2 x = 3
2x+3y=0
x-y=5
1) x=5+y
2) 2(5+y)+3y=0
10+2y+3y=0
5y= -10
y= -2
3) x= 5+(-2)
x=3
y= -2 x = 3
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Ответ: y= -2 x = 3
2x+3y=0
x-y=5
1) x=5+y
2) 2(5+y)+3y=0
10+2y+3y=0
5y= -10
y= -2
3) x= 5+(-2)
x=3
y= -2 x = 3