Question

Solve this system. Please state answer as an ordered pair.

2x-y=-1

3x+5y=18

Answer 1

You have to use substitution or elimination

Answer 2

I'll just use elimination

Answer 3

so, Would it look like
2( 6 - 1.6y ) -y = -1 I don't think i got it right..

Answer 4

No that's not it.

Answer 5

I firgured..

Answer 6

*figured

Answer 7

Never mind i'll use substitution.

Answer 8

2x-y=-1
-2x-2x
-y=-2x-1(-1)
y=2x+1 Now substitute y=2x+1 into 3x+5y=18.
3x+5(2x+1)=18
3x+10x+5=18
13x=13
x=1

Answer 9

Now substitute x=1 into 2x-y=-1
2(1)-y=-1
2-y=-1
-y=-3
y=3

Answer 10

The ordered pair is (1,3)

Answer 11

does that help @Keridavis

Answer 12

Yes, thank you