Răspuns :
[tex]-3x=27\\
=\ \textgreater \ x=27:-3\\
=\ \textgreater \ x=-9\\\\
-12-x=2\\
=\ \textgreater \ -x=-2-12\\
=\ \textgreater \ -x=-10\\
=\ \textgreater \ x=10\\\\
2x-14=-4\\
=\ \textgreater \ 2x=4-14\\
=\ \textgreater \ 2x=10\\
=\ \textgreater \ x=5\\\\
x:(-9)=4\\
=\ \textgreater \ x=4*(-9)\\
=\ \textgreater \ x=-36\\\\
-108:(-x)=6\\
=\ \textgreater \ (-x)=-108:6\\
=\ \textgreater \ (-x)=-18[/tex]
-3x=27
x=27/-3
x=-9
-12-x=2
-x=2+12
x=-14
2x-14=-4
2x=-4+14
2x=10
x=10/2
x=5
x:(-9)=4
x=4*(-9)
x=-36
(-108):(-x)=6
-x=(-108)/6
-x=-18
x=18
x=27/-3
x=-9
-12-x=2
-x=2+12
x=-14
2x-14=-4
2x=-4+14
2x=10
x=10/2
x=5
x:(-9)=4
x=4*(-9)
x=-36
(-108):(-x)=6
-x=(-108)/6
-x=-18
x=18