Question

750 (x – 749) / (x + 749) = 1

Answer 1

$frac{750(x-749)}{x+749} = 1$   / * (х+749)
750х-750*749=х+749
749х = 749 + 750*749   / :749
x= 1+ 750
x=751
Ответ: 751