Question

System of equations. x+4y=-19
-x+y=-1
Does that equal out to (-3,-4) ?

Answer 1

Yes.

Answer 2

add
5y = -20
y = -4
and x = y + 1 = -3

yes

Answer 3

You should not think of it as "equal out". It is the solution for.

Answer 4

Thank you very much. :) I'm starting to understand it alot better as i work out more probloms. I have to take the ECA (End of Course Assessment) and making sure i got some of these expressions, and ect down

Answer 5

good - practice as much as you can