Решите уравнение:
1) 8(x - 1, 4) = 0.56 ;
2) (4, 6 - x) * 19 = 4, 18
3) (x-7,3)*3,2=12,16;
4) (51,32+x)*0,12=72;
5) 17, 28 / (56 - x) = 36 ;
6) x / 4.28 + 16, 47 = 19.97 .
1) 8(x - 1, 4) = 0.56 ;
2) (4, 6 - x) * 19 = 4, 18
3) (x-7,3)*3,2=12,16;
4) (51,32+x)*0,12=72;
5) 17, 28 / (56 - x) = 36 ;
6) x / 4.28 + 16, 47 = 19.97 .
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1) 8(x - 1, 4) = 0.56
8х-11.2=0.56
8х=0.56+11.2
8х=11.76
x=1.47
2) (4, 6 - x) * 19 = 4, 18
87.4-19x=4.18
-19x=4.18-87.4
-19x=-83.22
x=4.38
3) (x-7,3)*3,2=12,16
3.2x-23.36=12.16
3.2x=35.52
x=11.1
4) (51,32+x)*0,12=72
6,1584+0.12x=72
x=548.68
5) 17, 28 / (56 - x) = 36
17.28=36(56-x)
2016-36x=17.28
x=55.52
6) x / 4.28 + 16, 47 = 19.97
x/20.75=19.97
x=19.97*20.75
x=414.3775