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OpenStudy (anonymous):
Please help explain this to me. Rational Equations The equation is 100/45 + 75/35 = 150/t LCD: 20/9 + 15/7 =150/t 63t(20/9 +15/7) = 63t (150/t) 140t + 135t =9450<-----how do you get that? 275t= 9450 275/275 = 9450/275 t= 34 4/11 <--- how do you get that?
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