Answer:
One solution
Step-by-step explanation:
The given equation is;
[tex]x+12=4x-1[/tex]
Group similar terms;
[tex]x-4x=-1-12[/tex]
Combine the similar terms to get;
[tex]-x=-13[/tex]
Multiply both sides by -1 to obtain;
[tex]x=13[/tex]
Therefore, there exist only one solution.