Respuesta :

Steps:I will try to solve your system of equations.y=2x+3;6x+3y=9Step: Solvey=2x+3for y:Step: Substitute2x+3foryin6x+3y=9:6x+3y=96x+3(2x+3)=99=9(Simplify both sides of the equation)9+−9=9+−9(Add -9 to both sides)0=0Answer:Infinitely many solutions.