Question

Bài 4. Tìm X, biết: X : 0,5 + X x 30% + X : 0,25 = 50,4
Ai nhanh mk tick !

Answer 1

\(x\times2+x\times\dfrac{3}{10}+x\times4=50,4\)

\(x\times\left(2+\dfrac{3}{10}+4\right)=50,4\)

\(x\times\dfrac{63}{10}=50,4\)

\(x=50,4:\dfrac{63}{10}\)

\(x=8\)

Answer 2

x × ( 2 + 3/10 + 4 ) = 50,4

x = 50,4 : 63/10