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2x- 2- 1/2x= 3x+3;
-2-3= 3x-2x+1/2x;
-5= 1 1/2x;
(2•1+1)/2x= -5;
3/2x= -5;
X= -5: 3/2;
X= -5• 2/3;
X= -10/3;
X= - 3 1/3;
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2(x-1)-x/2=3(x+1);
2• (-3 1/3 -1)- (-3 1/3)/2= 3• (-3 1/3+ 1);
2• (-4 1/3)+ 10/3• 1/2= -3• 10/3+ 3;
-8+ (-2/3)+ 5/3= -10+ 3;
-8+ 5/3- 2/3= -7;
-8+ 3/3= -7;
-8+1= -7;
-7=-7.