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-5x-20=-2
-5x=18
x=-18/5
x=-3 3/5
x=-3,6
-4(-2+-1)=3x-1
-4*-3 = 3x-1
3x=12
x=4
-5(-3-2x)=-3x+1
15+10x=-3x+1
13x=-14
x=-14/13
x=-1 1/13
8(-4x+10)=2x+5
-32x + 80 = 2x +5
-34x = -75
x=2 7/34
-5x-20=-2 / +20
-5x=18/:-5
x=-18/5
x=-3,6
-4(-2+-1)=3x-1
8+4=3x-1
12=3x-1/+1
13=3x/3
4 i 1/3 = x
-5(-3-2x)=-3x+1
15+10x=-3x+1/+3x
15+13x=1 /-15
13x=-14/13
x=-1 i 1/13
8(-4x+10)=2x+5
-32x + 80 = 2x + 5 /-5
-32x + 75 = 2x / +32x
75 = 34x / 34
2 i 7/34 = x