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December 21, 2014

December 21, 2014

Posted by **anonymous** on Monday, April 4, 2011 at 10:44pm.

- Algebra -
**PsyDAG**, Wednesday, April 6, 2011 at 3:02amMultiply first equation by 3.

3x + 3y = -24

-3x + 2y = 9

Add the two equations.

5y = -15

y = -3

Put y value in one equation.

x + (-3) = -8

x = -5

Check by putting both values in the other equation.

(-3)(-5) + 2(-3) = 9

15-6 = 9

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