Question

what is the solution of the system of equations?
y=2x+6
3x-y=6. im pretty sure it has no solution but that's not an option

Answer 1

@TheSmartOne

Answer 2

It does have a solution.

Answer 3

So what method do you like to use?

Substitution, elimination, or graphing?

Answer 4

I like graphing but my test wants substitution

Answer 5

Well if you want graphing, https://www.desmos.com/calculator/qgenu1b8kr

And then you see where the two points intersect.

Answer 6

I see (10,30)

Answer 7

Are you sure that it is 10?

The 30 is correct.

Answer 8

11?

Answer 9

Look at the graph a little closer and see where it intersects. It gives you the point where they intersect if you click on it.

You have half of it correct.
( __, 30)

Answer 10

12,30

Answer 11

THANK YOU!!

Answer 12

Do you want me to show you how you do it using substitution?