4х-2=0, 4х=2, х=2:4, х=0,5
4х-2=2, 4х=2+2, 4х=4, х=4:4=1
4х-2=-7, 4х=-7+2, 4х=-5, х=-5:4 =1,25
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4х-2=0, 4х=2, х=2:4, х=0,5
4х-2=2, 4х=2+2, 4х=4, х=4:4=1
4х-2=-7, 4х=-7+2, 4х=-5, х=-5:4 =1,25
y=4*2-2=6
y=4*(-7)-2=-30