2x + 4y = 12
y = x – 3
What is the solution to the system of equations?

Question

2x + 4y = 12 
y = x – 3 
What is the solution to the system of equations?

3mar · Answer

If I may help?

zemexx · Answer

of course

3mar · Answer

Thanks.
Do you want it to be solved by elimination or by substitution?

zemexx · Answer

i literally have no idea,i can give the answer choices if that helps?

daddysbabygirl · Answer

please do 
I will help you solve ?

3mar · Answer

I don't need the choices, I am just asking about the method that you know how to solve such ones.

zemexx · Answer

(–1, 8)

(8, –1)

(5, 1/2)

(1/2, 5)

3mar · Answer

For substitution: you solve one equation for one variable, then substitute with this variable into the other equation to get one equation of one variable..
Let's apply that to the second one

ok?

blahhhhhhhhh · Answer

go to mathway

zemexx · Answer

i honestly dont know which one, im just trying to get the answers to this quiz thing, its a computer class so it doesint have anything to do with my grade in the class, i just dont want to get behind because until i get the answers right im not aloud to move on

3mar · Answer

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