Will fan and medal best help!

Which of the following ordered pairs represents the solution to the system given below?

2x + y = 20
4x − 2y = 40

(10, 0)
(0, 10)
(4, 2)
(10, −10)

I know what to do I'm just not getting any of the answers given.. help?

Question

Will fan and medal best help!

Which of the following ordered pairs represents the solution to the system given below?

2x + y = 20
4x − 2y = 40

 (10, 0)
 (0, 10)
 (4, 2)
 (10, −10)

I know what to do I'm just not getting any of the answers given.. help?

dan815 · Answer

okay well u see, you can always plug in a point to see if its working

dan815 · Answer

the first point simply works (10,0) means x=10 and y=0

dan815 · Answer

2x + y = 20 
4x − 2y = 40
-------------
2*10+0=20
4*10 - 2*0 = 40
----------------
so right away (10,0) works

dan815 · Answer

To actually solve this system of equations, u have to learn substitution or elimination methods, please look that up

sawq · Answer

Yeah I just learned that but its not working out...

sawq · Answer

But thanks for your help

dan815 · Answer

sure

dan815 · Answer

I can check your work, if u post it here, good luck