solving equations with rational expressions

(x-8)/(x-6)=8/9
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1 Answer

(x - 8)                          8

-------          =             ----

(x - 6)                          9

Cross multiply

9(x - 8) =  8(x - 6)      Distribute the 9 and 8

9x - 72 = 8x - 48        Subtract 8x from both sides

x - 72 = 48                 Add 72 to both sides

x = 48 + 72

x = 120

 

by Level 10 User (55.7k points)

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