Isnsjanajajabsbananananajakakjajaja kajajaj

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

What’s 8y+48 and factor each expression completely