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Calculati:
-x+(-4+7-3)-(-2-x+4-3)
Imi trebuie urgent!


Răspuns :

[tex]-x+(-4+7-3)-(-2-x+4-3)= \\ =-x+(3-3)-(-2-x+4-3)= \\ =-x+0-(-2-x+4-3)= \\ =-x-(-2-x+4-3)= \\ =-x-(-2-x+1)= \\ =-x+2-x+1= \\ =-x+2-1+x = \\ =-x+1+x= \\ =0+1= \\ \boxed{=1}.[/tex]
-x+(-4+7-3)-(-2-x+4-3)=
-x-4+7-3+2+x-4+3=1