Skip navigation.
Home
mathdynamics
Home » Forums » Math questions » Algebra questions

Systems of equation help?

Submitted by Anonymous on Sun, 08/26/2007 - 16:16.

How do i solve the following:

1.
$ -2x-5y = 7 $
$ 7x+y = -8 $

2.
$ 4x+9y=2 $
$ 2x+6y=1 $

‹ Solve this equation Prove that this matrix is positive defined ›
»