Question

tìm x

\(92.4-27=\dfrac{x+350}{x}+315\)

Answer 1

điều kiện x khác 0

suy ra: 341= (x+350)/x +315

26= (x+350)/x

26x = x +350

suy ra x=14

Answer 2

\(92.4-27=\dfrac{x+350}{x}+315\)

\(\Rightarrow366=1+\dfrac{350}{x}+315\)

\(\Rightarrow366=316+\dfrac{350}{x}\)

\(\Rightarrow50=350:x\)

\(\Rightarrow x=7\)