Respuesta :

SOLUTION

The given equations are

[tex]\begin{gathered} x+y=18 \\ y=x+12 \end{gathered}[/tex]

The graph of the equations are shown:

Notice that the line intersect at (3,15)

Therefore, the solutions of the system of equations are

[tex]x=3,y=15[/tex]

Ver imagen SamiaR291347