Question

Решите уравнение 514x+914x=59

Answer 1

$frac{51}{4x} + frac{9}{14x} = frac{5}{9}$
$frac{51*6+18}{28x}= frac{324}{28x}$
$frac{81}{7x} = frac{5}{9}$
7x=$frac{81*9}{5}$
7x=$frac{729}{5}$  *5
35x=3645
x=$frac{3645}{35}= frac{729}{7}=104 frac{1}{7}$