Светлана
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
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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