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- anonymous

FAN AND MEDAL!!!
For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation?
-x - 2y = -4
3x + y = 12
-2y - 4
2y - 4
2y + 4
-2y + 4

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- anonymous

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- anonymous

Are those the answer choices?

- anonymous

yes @lovingod786

- anonymous

plz help guys!

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- anonymous

What do you think. WHich one?

- anonymous

Pick one you think and I will help from there.

- anonymous

I think it might be either B or C

- anonymous

Ok in order to isolate x in the first equation. What do you think you first step should be?

- anonymous

add 2y to both sides?

- anonymous

It is B

- anonymous

ty!

- anonymous

It could be B but it also could be D depending if they want your to get rid of the - sign
For instane -x = 2y - 4 and you could use this for a subsitution but if you get ride of the -, which they probably want you to do the answer is D

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