Respuesta :
3x+30+6=3x+36
⇒3x+36=3x+36
⇒3x−3x=36−36
⇒0⋅x=0
infinite solutions of x for all x∈R
⇒3x+36=3x+36
⇒3x−3x=36−36
⇒0⋅x=0
infinite solutions of x for all x∈R
