Rezolva ecuatia:


-2x-1=7x+5


Răspuns :

-2x-1=7x+5
-5-1=2x+7x
-6=9x
x=-2/3

Sper ca te-am ajutat!

-2x-1=7x+5

7x+2x=5+1

9x=6

x=6/9

x=o,67