Question

O valor de x torna a igualdade x-5/x-3=3/5é

Answer 1

$\dfrac{x-5}{x-3} = \dfrac{3}{5} \\\\ 5\cdot(x-5) = 3\cdot(x-3)\\\\ 5x-25 = 3x-9\\\\ 5x-3x = -9 +25\\\\ 2x = 16\\\\ \dfrac{x}{2} = \dfrac{16}{2}\\\\ \framebox{x = 8}$