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April 21, 2015

April 21, 2015

Posted by **David** on Saturday, January 8, 2011 at 12:07pm.

1. 2x - 3y = -1 with y = x-1

2. -4x + y = 6 with -5x- y = 21 and finally,

3. -5x + y =-3 with 3x -8y = 24

- Algebra -
**Damon**, Saturday, January 8, 2011 at 2:17pm2 x - 3(x-1) = -1

2 x - 3 x + 3 = -1

-x = -4

x = 4

y = x-1 = 3

etc

check

8 - 9 = -1 right

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