Question

$3 \frac{3}{5} x +1 = 2x + \frac{9}{4}$

Answer 1

Ecuatia devine 
$\frac{18}{5} x - 2x = \frac{9}{4} - 1 => \frac{18}5} x - \frac{10}{5}x = \frac{5}{4}$
$x = \frac{5}{4} : \frac{8}{5} => x = \frac{5}{4} * \frac{5}{8} => x = \frac{25}{32}$

Answer 2

  
(3*5+3)/5*x +1=2x+9/4
18/5x -2x=9/4-1
18/5x-10/5x=9/4-4/4
8/5x=5/4
x=5/4*5/8
x=25/32