Question

729 : (c - 15) = 81
Көмек керек срочно дәл кәзір ​

Answer 1

$\\729:(c-15)=81\\\frac{729}{c-15} =81\\729=81(c-15)\\9=c-15\\-c=-15-9\\-c=-24\\c=24$

Answer 2

729 : (c - 15) = 81

(c - 15) = 729 : 81

(c - 15) = 9

с = 15 + 9

с = 24