Question

Tìm x : x-3.45=90.5:15

Answer 1

\(x-3,45=\frac{90,5}{15}=\frac{181}{30}\)

=> \(x=\frac{181}{30}+3,45=\frac{569}{60}\)

Answer 2

x - 3 . 45 = 90 . 5 : 15

x -   135  = 450 : 15

x - 135 = 30

        x = 30 + 135

        x = 165

Vậy x = 165