SOLUTION: Not sure how to solve this problem... -3x + 2y = -14 5x + 6y = -42 Can anyone help me understand this.. Thank you

Question 353149: Not sure how to solve this problem...
-3x + 2y = -14
5x + 6y = -42

Can anyone help me understand this.. Thank you
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
You can use a couple of different methods:substitution, elimination, matrix inversion.
Here's elimination.
Multiply the first equation by and add the equations together to eliminate y.

Now that you have , use either equation to solve for .

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