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1/3x-x=2+2
-2/3x=4 |*(-1)
2/3x=-4 |*3
2x=-12 |:2
x=-12
1/3x- 2 =x +2 /*3
x-6= 3x + 6
x-3x = 6 +6
-2x = 12 /: -2
x= -6
b) 1-6/7x = 4/7 /*7
7-6x = 4
-6x =4 -7
-6x = -3 /: -6
x= 1/2
c)6(¼x-2)=18
6/4x - 12 =18
3/2 x = 18-12
3/2x = 6 / * 2/3
x =4