Question

уравнения
96:(100-х)=16
15*(х:12)=90

Answer 1

$1) frac{96}{100-x}=16 \ 100-x=96:16 \ 100-x=6 \ x=100-6\ x=94 \ 2) 15* frac{x}{12} =90\ frac{x}{12} =90:15\ frac{x}{12} =6\ x=12*6\ x=72$