Question

-1/2=4/x-2 help answer and explanation

Answer 1

-$\frac{1}{2}$=$\frac{4}{x}$-2
2+-$\frac{1}{2}$= 4/x 
2+-$\frac{1}{2}$= 1 $\frac{1}{2}$
1 $\frac{1}{2}$= 4/2.7
x=2.7