4x-12,8=0
4x=12,8;разделим обе части на 4;
X=3,2;
3) 4x=16
X=4
5x3,2-8x4
16-32=-16
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4x-12,8=0
4x=12,8;разделим обе части на 4;
X=3,2;
3) 4x=16
X=4
5x3,2-8x4
16-32=-16