Question

O valor "x"que torna verdadeira a igualdade 1/x-1=3/x+3é

Answer 1

$\frac{1}{x - 1} = \frac{3}{x + 3} \\ 1(x + 3) = 3(x - 1) \\ x + 3 = 3x - 3 \\ x - 3x = - 3 - 3 \\ - 2x = - 6 \: \: \: . \: ( - 1) \\2 x = 6 \\ x = \frac{6}{2} \\ \boxed{\boxed{\boxed{x = 3}}}$

att. yrz