Monday

April 21, 2014

April 21, 2014

Posted by **john** on Monday, April 30, 2012 at 4:53pm.

4x – 3y = -3

3x – y = -6

- math -
**Reiny**, Monday, April 30, 2012 at 5:36pmwe have to solve the system.

multiply the 2nd by -3

-9x + 3y = 18

add that to the first

-9x + 3y = 18

4x- 3y = -3

-5x = 15

x = -3

sub into the original 2nd

-9 - y = -6

9+y=6

y = -3

so they intersect at (-3,-3)

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