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x in (-oo:+oo)
x = 25/4+23/4+13/265.75+25/4+6.25+6.5+6.75 // - 25/4+23/4+13/265.75+25/4+6.25+6.5+6.75
x-(25/4)-(23/4)-(13/265.75)-(25/4)-6.75-6.5-6.25 = 0
x-25/4-23/4-25/4-6.75-6.5-6.25-0.04891816 = 0
x-37.79891816 = 0 // + 37.79891816
x = 37.79891816
x = 37.79891816
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