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Elimination method:
A. 3x+4y= -7
B. 2x+3y= -6

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Capuchin's Avatar
Capuchin Posts: 5,319, Reputation: 3601
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#2

Mar 21, 2007, 09:02 AM
Well from your first one you find that

3x = -7-4y

So

X = -7/3 - 4y/3

Now you can substitute this in for x in your second equation

2(-7/3 - 4y/3) + 3y = -6

You can now solve this for why to get a value of y

Then you can use your original equations and this value of why to find the value for x

Let me know if you need further help
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cool_dude's Avatar
cool_dude Posts: 125, Reputation: 48
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#3

Mar 21, 2007, 08:15 PM
Capuchin she specifically said elimination method. What you did was the substitution method.
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