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July 28, 2014

July 28, 2014

Posted by **tanya** on Tuesday, April 3, 2012 at 5:31pm.

2x - 3y = 1; x + 2y = 4

- math -
**Reiny**, Tuesday, April 3, 2012 at 6:13pmI think you are describing the method of elimination

1st equation -----> 2x-3y = 1

2nd times 2 -----> 2x + 4y = 8

subtract them

-7y = -7

y = 1

back into the 2nd:

x + 2 = 4

x = 2

x = 2, y = 1

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