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25-(((3*5)/3)*x) = 20*(30-(19*x)) // - 20*(30-(19*x))
25-(20*(30-(19*x)))-(((3*5)/3)*x) = 0
25-20*(30-19*x)-5*x = 0
25-20*(30-19*x)-5*x = 0
375*x-600+25 = 0
375*x-575 = 0
375*x-575 = 0
375*x-575 = 0 // + 575
375*x = 575 // : 375
x = 575/375
x = 23/15
x = 23/15
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