Question

Need help solving these 3 equations, please help.
$\frac{1}{r}=\frac{4}{3r}+1$
$\frac{4}{x-1} + \frac{2}{x+1} = \frac{35}{x-1}$
$(5x+1)^{2} +3=12$

Answer 1

1.) r=-1/3
2.) x=-33/29
3.) x=-4/5 x=2/5