Determine o conjunto solução de: 1/15x + 1/5x - 1/30 = 1/3x - 1/5
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1/15x + 3/15x -1/30 = 5/15x - 6/30
1/15x + 3/15x -5/15x = -6/30 + 1/30
-1/15x=-5/30=-1/6
15x=6
x=6/15=2/5
1/15x + 3/15x -5/15x = -6/30 + 1/30
-1/15x=-5/30=-1/6
15x=6
x=6/15=2/5
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