А)Y(3)=2*3-3=-3
Б)-1=2x-3
2x-3=-1
2x=3-1
2X=2
x=2:2
x=0
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А)Y(3)=2*3-3=-3
Б)-1=2x-3
2x-3=-1
2x=3-1
2X=2
x=2:2
x=0