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- anonymous

Given the system of equations presented here:
2x + 4y = 14
4x + y = 20
Which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated?
Multiply the second equation by −4 to get −16x − 4y = −80
Multiply the second equation by −1 to get −4x − y = −20
Multiply the first equation by 2 to get 4x + 8y = 28
Multiply the first equation by −1 to get −2x − 4y = −14

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- anonymous

- katieb

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- anonymous

can you help me

- anonymous

- anonymous

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- anonymous

- anonymous

@DarkMoonZ can you help me

- anonymous

- anonymous

can you help me @nerlineg

- anonymous

which one do you think it is? and I reply to your message it wont send. :(

- anonymous

i think it is A @nerlineg

- anonymous

um.. y A?

- anonymous

because if you multiply it out thats the equation we might use

- anonymous

- anonymous

is that right @nerlineg

- anonymous

ohh i didnt see your comment. but um... yeah your reason sound right to me! but now this looks confusing!

- anonymous

ok hold on

- anonymous

@Learner11 can you help us

- anonymous

- anonymous

hey @Learner11 do you know how to do this

- anonymous

:(

- anonymous

- Elsa213

This might help c: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/basic-equation-practice/v/equations-3

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