Question

21-x/x =1/2 what is x plz help

Answer 1

`(21-x)/(x)=(1)/(2) \\\\2(21-x)=x\\\\42-2x=x\\\\42=x+2x\\\\3x=42\\\\x=14`

Answer 2

(21-x)/x=1/2

or,42-2x=x

or,42=3x

or,42/3=x

or,x=14

so,the value of x is 14