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(2/3)*x = 5-((5/6)*x) // - 5-((5/6)*x)
(2/3)*x+(5/6)*x-5 = 0
3/2*x-5 = 0 // + 5
3/2*x = 5 // : 3/2
x = 5/3/2
x = 10/3
x = 10/3
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