Simultaneous equations

Question 1

How do u do these?

Answer 1

Well it’s either:
- Subbing
- Rearranging
And then afterwards u just be:
- Factorising
- Expanding
And for when u gain ur values you:
- Deduce….

Question 2

Can I get some questions tho?

Answer 2

Sure?
Go look in mathswatch :>