Question

exercitiul T.1.1
rapid, va rog

Answer 1

$\frac{x+2}{7.5}$ = $\frac{ \frac{6*3+1}{3} }{ \frac{1}{3} }$
$\frac{x+2}{7.5}$ = $\frac{19}{3}$ * 3
$\frac{x+2}{7.5}$ = 19
x+2=19 * 7.5
x+2=19* $\frac{15}{2}$
x+2=142.5
x=140.5