Question

Algebra Help!

Answer 1

\[\left(\begin{matrix}x-y=-13 \\ x+y=-5\end{matrix}\right)\]

Answer 2

Do you want to use the substitution method, elimination method, or graphing o-o

Answer 3

substitution, please.

Answer 4

ELIMINATION****

Answer 5

Okay then do
x - y = -13
- x + y = -5

Answer 6

Like \[(x-x) + (-y-y) = -13-(-5)\] and just simplify