Homework Help: College Algebra

Posted by LeAnn on Wednesday, November 18, 2009 at 11:05pm.

5x+y=7
6x+7y= -9
Solve for system of equations.
What is the solution?
Is it inconsistent or consistent?
Is it dependent or independent?

College Algebra - ana, Wednesday, November 18, 2009 at 11:14pm
5x+y=7
6x+7y= -9

6x+7(7-5x)=-9
X=2
Y=-3

check answers by plugging into the equations
College Algebra - LeAnn, Wednesday, November 18, 2009 at 11:22pm
Thank you! I'm double checking everything too.

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