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5*x = 2*(3/2-x) // - 2*(3/2-x)
5*x-(2*(3/2-x)) = 0
5*x-2*(3/2-x) = 0
5*x-2*(3/2-x) = 0
7*x-3 = 0
7*x-3 = 0
7*x-3 = 0 // + 3
7*x = 3 // : 7
x = 3/7
x = 3/7
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