Помогите:
1,78x+0,84=1,34-0,72x
7,43-1,28x=1,42x+5
-4,29x+12,7=5,7-0,79x
-3,32x-0,132=0,138+7,48x

1,78x+0,72x=1,34-0,842,5х = 0,5х = 1\5 = 0,2  7,43-1,28x=1,42x+5-1,28х-1,42х = 5-7,43-2,7х = -2,43х = 0,9-4,29x+12,7=5,7-0,79x -4,29х+0,79х =  = 5,7-12,7-3,5х = -7х = 2-3,32x-0,132=0,138+7,48x-3,32х-7,48х = 0,138+0,132-10,8х = 0, 27х = -0,025