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(2*x)/5-(3*x)+3/10 = (5*x)/8+27/4 // - (5*x)/8+27/4
(2*x)/5-(3*x)-((5*x)/8)+3/10-(27/4) = 0
(2*x)/5-3*x+(-5/8)*x+3/10-27/4 = 0
-129/40*x-129/20 = 0 // + 129/20
-129/40*x = 129/20 // : -129/40
x = 129/20/(-129/40)
x = -2
x = -2
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