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6x-9-2+2x-x-3=0
7x-14=0
7x=14
x=14/7
x=2
6x -9 -2 +2x -x -3 = 0
6x +2x -x -9 -2 -3 = 0
7x -14 = 0
7x = 14
x = 14 : 7
x = 2
Jadi, nilai x adalah 2.