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x-8=2x-12
-x=-4//:(-1)
x=4
b) x-5=⅓x+1//*3
3x-15=x+3
2x=18//:2
x=9
c) x/4-¼=2//*4
x-1=8
x=9
d) x/5-3=x+⅕//*5
x-15=5x+1
-4x=16//:(-4)
x=-4
e) ⅚(x-1)=4//*6
5x-5=24
5x=29//:5
x=5,8
f) -½(-x- 6)=-x//*2
x+6=-2x
3x=-6//:3
x=-2
a) ½x-4=x-6/*2
x-8=2x-12
-x=-12+8
-x=-4/:(-1)
x=4
b) x-5=⅓x+1/*3
3x-15=x+3
2x=18/:2
x=9
c) x/4-¼=2/*4
x-1=8
x=9
d) x/5-3=x+⅕/*5
x-15=5x+1
-4x=16/:(-4)
x=-4
e) ⅚(x-1)=4/*6
5x-5=24
5x=29/:5
x=29/5=5 i 4/5
f) -½(-x- 6)=-x/*2
x+6=-2x
3x=-6/:3
x=-2