substitution method
y= 3x +6.
x= 3y +6
![substitution method y 3x 6 x 3y 6 class=](https://us-static.z-dn.net/files/d60/b2b632fcc23ea092a30157d868c15ba5.jpg)
Answer:
x=-3, y=-3
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.