Question

10/x-7=4/x+5 quanto ficaaa

Answer 1

$\frac{10}{x} -7=\frac{4}{x} +5\\\\\frac{10}{x} -\frac{4}{x} =5+7\\\\\frac{6}{x} =12\\\\\ 6=12x\\x= 6/12$

x=1/2