Question

Tell whether the ordered pair (2, -1) is a solution of the given system.
x-2y=4
3x+y=6

A. yes
B. no

Answer 1

Try.

Answer 2

did you give it a try at least?

Answer 3

Plug them in

Answer 4

I tried, but I wasnt sure if I was doing it right. but thanks, ill plug them in.

Answer 5

Tell us what you get

Answer 6

I plugged them in & nope, they do not .. thanks

Answer 7

Nice job.

Answer 8

have the coordinates pairs that look like this
with
( x , y )
| | plug them in their according places
v v
x - y =( whatever number)

Answer 9

Lucky I
m nice Ralph