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(7/2)*x-(5/2) = -4*x-(7/3) // + -4*x-(7/3)
(7/2)*x-(-4*x)-(5/2)+7/3 = 0
(7/2)*x+4*x-5/2+7/3 = 0
15/2*x-1/6 = 0 // + 1/6
15/2*x = 1/6 // : 15/2
x = 1/6/15/2
x = 1/45
x = 1/45
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