SOLUTION: solve the equation: 3x - 4y = 9 -3x + 2y = 9

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Question 250864: solve the equation:
3x - 4y = 9
-3x + 2y = 9

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the two equations together to remove x.
+-2y=18
+y=9
Then use either equation to solve for x.
+3x-4%289%29=9
+3x-36=9
+3x=45
+x=15