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12 (2/3 (x + 5)) = 12 (3/4x + 3)
8 (x + 5) = 9x + 36
8x + 40 = 9x + 36
8x - 9x = 36 - 40
-x = -4
x = -4 : -1
x = 4
2 (4) - 1 = 8 - 1 = 7
Jadi, hasil dari 2x - 1 = 7
Tolong tandai sebagai jawaban terbaik ya ?