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(2/3)*x-(5/2) = -x-(4/3) // + -x-(4/3)
(2/3)*x+x-(5/2)+4/3 = 0
(2/3)*x+x-5/2+4/3 = 0
5/3*x-7/6 = 0 // + 7/6
5/3*x = 7/6 // : 5/3
x = 7/6/5/3
x = 7/10
x = 7/10
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