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(2/3)*x = 71/3 // - 71/3
(2/3)*x-(71/3) = 0
(2/3)*x-71/3 = 0
2/3*x-71/3 = 0 // + 71/3
2/3*x = 71/3 // : 2/3
x = 71/3/2/3
x = 71/2
x = 71/2
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