Respuesta :

ProfessorAlvarez

[tex]\text{Solve for x:}\\\\12x+3=31+5x\\\\\text{Subtract 5x from both sides}\\\\7x+3=31\\\\\text{Subtract 3 from both sides}\\\\7x=28\\\\\text{Divide both sides by 7}\\\\\boxed{x=4}[/tex]

mira11111

12x+3=31+5x

12x=28+5x

7x=28

x=4