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0,1x=-0,5
x=-5
b. 0,25x+0,4=0,35
0,25x=-0,05
x=-0,2
c. 1-0,2x=-0,3x
-0,1x=-1
x=10
d. 0,01x-1=0,1x-0,1
-0,09x=0,9
x=-10
e. 4x-3=3x+5
x=8
f. 5x+2=7-3x
8x=5
x=5/8
g. 3(x-1)=0
3x-3=0
3x=3
x=1
h. -6(x+1)=24
-6x-6=24
-6x=18
x=-3
i. -7(x-2)=3x-1
-7x+14=3x-1
-10x=-15
x=15/10
x=1½
j. 4(x-1)=6(1+x)
4x-4=6+6x
-2x=10
x=-5