if you were to solve the following system of substitution 2x+6y+9
 3x-12y=15
what would be the best variable to solve for and from what equation?


Respuesta :

x in the equation 3x-12y=15, because once you at 12y to the other side, 12 and 15 are both easily divided by 3

Answer:

x in the second equation

Step-by-step explanation:

a p e x