Question

1 supra 7 + n=1 ; 8 supra 5 -x+4 supra 5 =10 supra 5. Vă rog!

Answer 1

$\frac{1}{7+n}$ = 1
1=7+n ⇒ n=-6

[tex] \frac{8}{5-x} + \frac{4}{5} = \frac{10}{5} [/tex]
$\frac{8}{5-x} = \frac{6}{5}$
30-6x = 40 , -6x = 10 ⇒ -x = 10/6