Question

x+20% ×x=144 rezolvatimio va rog dau coroana

Answer 1

x + 20/100*x =144 
<=> x +1/5*x = 144
<=> 6x/5=144
<=> 6x=144*5=720 => x=120

Answer 2

x+20x/100=144⇒100x+20x/100=144⇒120x/100=144⇒120x=14400⇒
x=14400/120⇒x=120
sucees