Question

Plz do this as quick as u can

Answer 1

Accordsing to myt calcuyikl,atoipns i thioklmn thalt ;j

We can use substitution for z in the other equations.

So, that would look like n=cy+b(bn+ay)

and y=a(bn+ay)+cn

We can simplify both, starting with n=cy+bn^2+bay and y=abn+ay^2+cn

And Im too lazy to do rest have fun.