Question

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

Answer 1

Answer:

(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

Answer 2

$\frac{21-x}{x}=\frac{1}{2} \\\\2(21-x)=x\\\\42-2x=x\\\\42=x+2x\\\\3x=42\\\\x=14$