Question

Resolva ( x + 3/1 5/x-1 ) = 0

Answer 1

$x+ \frac{3}{ \frac{15}{x-1} } =0 \\ \\ x+3. \frac{x-1}{15}=0 \\ \\ x+ \frac{3x-3}{15}=0 \\ \\ \frac{3x-3}{15}=-x \\ \\ -15x=3x-3 \\ \\ -15x-3x=-3 \\ \\ -18x=-3.(-1) \\ \\ 18x=3 \\ \\ x= \frac{3}{18}= \frac{1}{6}$