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x+5/2 = 7/3-x-(3/3) // - 7/3-x-(3/3)
x+x+5/2-(7/3)+3/3 = 0
x+x+5/2-7/3+3/3 = 0
2*x+7/6 = 0 // - 7/6
2*x = -7/6 // : 2
x = -7/6/2
x = -7/12
x = -7/12
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