👤

||2x+1|-5|=9
aflati "x"


Răspuns :

(2x+1)-5=9
2x+1=9+5
=14
2x=13
x=6,5
2x+1=9+5
2x+1=14
2x=14-1
2x=13
x=13:2
x=6 rest 1