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B= -0,2
c = -10
d=-10
0,1x=-0,3-0,2
0,1x=-0,5
x=-0,5/0,1=-5
b)0,25x+0,4=0,35
0,25x=0,35-0,4
0,25x=0,31
x=0,31/0,25= 1,24
c)1-0,2x=-0,3x
1=-0,3x+0,2x
1=-0,1x
x=1/-0,1=-10
d)0.01x-1=0,1x-0,1
0,01x-0,1x=-0,1+1
0,09x=0,9
x=0,9/0,09=10
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b) -0,2
c) -10
d) 10