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3*x-(4/5) = -2/3 // + -2/3
3*x-(4/5)-(-2/3) = 0
3*x-4/5+2/3 = 0
3*x-2/15 = 0 // + 2/15
3*x = 2/15 // : 3
x = 2/15/3
x = 2/45
x = 2/45
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