Question

ecutiea 1supralui5x - 1,3 = 1

Answer 1

$\frac{1}{5} x-1,3=1$
$1,3= \frac{13}{10}$
$\frac{1}{5}x- \frac{13}{10}=1$
$\frac{1}{5} x= 1- \frac{13}{10}$
$\frac{1}{5} x=- \frac{3}{10}$$x=- \frac{3}{10} * \frac{5}{1}$$x=- \frac{3}{2}$