lexicook0915 lexicook0915

25-11-2016
Mathematics

contestada

To solve this system using the addition method, you would need to multiply the first equation by what number in order for the y's to add out?

3x - y = 3

-2x + 2y = 6

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Rinlikesfire Rinlikesfire

25-11-2016

You multiply 3x - y = 3.
So then it's:
6x - 2y = 3
-2x + 2y =6

which equals 4x = 9

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