Question

Solve the system of equations

x=-3y
3y+2x=3

Answer 1

You have an expression for x. Plug it into the 2nd equation in place of x, and solve for y.

Answer 2

We would use substitustion....we know that x equals -3y so we input that into the other equation....

\(\Huge{3y+2(-3y)=3}\)

Answer 3

substitution*

Answer 4

Ok, that's what I was stuck at. I know how to do the math, it's just starting off the equations, you know? :P Thanks!