Ответ:
1) x=1;0;-2
y=2-4×1= -2
y=2-4×0=2
y=2-4×(-2)=10
2) y= -4; -2; 2
2-4x= -4 ; x=1.5
2-4x= -2 ; x=1
2-4x=2 ; x=0
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Ответ:
1) x=1;0;-2
y=2-4×1= -2
y=2-4×0=2
y=2-4×(-2)=10
2) y= -4; -2; 2
2-4x= -4 ; x=1.5
2-4x= -2 ; x=1
2-4x=2 ; x=0