Question

Выразить число х 100-х*95/ (y/1000) = 35

Answer 1

$100- \frac{x\cdot 95}{y/1000} =35\\\\100- \frac{x\cdot 95000}{y} =35\\\\ \frac{x\cdot 95000}{y} =100-35\\\\ \frac{x\cdot 95000}{y} =65\\\\x=\frac{65\cdot y}{95000}\\\\x=\frac{13y}{19000}$