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3x - 2x = 10-6
x = 4
2.) 1/4 x - 5/2 = 2/3 x -5
1/4 x -2/3 x = -5 + 5/2 --> x 12 semua (di kalikan penyebut dari kpk )
3 x - 8x = -60 + 30
-5x = -30
x = -30/-5
x = 6
3x - 2x = 10 - 6
x = 4