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1/3x - 20/3 = 2/5x + 3
1/3 x - 2/5x = 3 + 20/3
5/15x - 6/15x = 29/3
1/15x = 29/3
x = 29/3 : -1/15
= 29/3 x- 15/1
= - 145
Jawaban ( A )