Answer :
[tex]14x+2=12x\\\\14x-12x=-2\\\\2x=-2\ \ \ |:2\\\\x=-1\\\\There\ is\ one\ solution.[/tex]
14x+2=12x
[subtract 2 on both sides]
14x=12x-2
[subtract 12x on both sides]
2x=-2
[divide 2 on both sides]
x=-1