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2. x=2
3.X= -3
2. 4x-2=10-2x
4x+2x = 10+2 , 6x=12, x=2
3. 8-4X=20
-4x=20-8, -4x=12, -x=3 lalu dikalikan -1 dikedua ruas maka hasilnya x=-3