Question

Решите равнение 20/x-18=18/x-20

Answer 1

$frac{20}{x - 18} = frac{18}{x - 20} \ 20(x - 20) = 18(x - 18) \ 20x - 400 = 18x - 324 \ 20x - 18x = - 324 + 400 \ 2x = 76 \ x = 38$

Answer 2

Спасибо большое!!!