Руслан 1 variant (х+126)/х + 7= 16 (x+126)/x=9 X+ 126 = 9x 8x =126 x=15,75 ili x = 63/4=15 3/4 2 variant (x+126)/(x+7) =16 x+126 =16x + 112 15x = 14 x= 14/15