Question

Rezolvați în Z:
f) |x-3|=0
g) |x-4|=2
h)|x-5|=1
i) |x+2|=11
l) |x+7|=9
Am nevoie cât mai repede!

Answer 1

[tex]f)|x-3|=0=\ \textgreater \ x-3=0=\ \textgreater \ x=3,-3 \\ g)|x-4|=2=\ \textgreater \ x-4=+-2=\ \textgreater \ \\ x-4=2=\ \textgreater \ x=6 \\ x-4=-2=\ \textgreater \ x=2 \\ h)|x-5|=1=\ \textgreater \ x-5=+-5 \\ x-5=1=\ \textgreater \ x=6 \\ x-5=-1=\ \textgreater \ x=4 \\ i)|x+2|=11=\ \textgreater \ x+2=+-11 \\ x+2=11=\ \textgreater \ x=9 \\ x+2=-11=\ \textgreater \ x=-13 \\ l)|x+7|=9=\ \textgreater \ x+7=+-9 \\ x+7=9=\ \textgreater \ x=2 \\ x+7=-9=\ \textgreater \ x=-16[/tex]