1/2x+2=3/5 //*1012x+2=35/⋅10
10*1/2x+10*2=10*3/510⋅12x+10⋅2=10⋅35
color(green)5color(red)cancel10*1/color(red)cancel2x+20=color(green)2color(red)cancel10*3/color(red)cancel5
5x+20=6
5x=6-20
5x=-14// -:5
(5x)/5=-14/5
(color(red)cancel5x)/color(red)cancel5=-14/5
x=-14/5