Homework Help: alegebra

Posted by anaya on Sunday, March 23, 2008 at 5:27pm.

solve the system of equations by graphing. then classify the system as consistent or inconsistent and the equations as dependent or independent.
3u+v=13
3u=v+29

What is the solution of the system of equations?

alegebra - Damon, Sunday, March 23, 2008 at 5:31pm
Hey, you should be getting to be abke to do these.
subtract the second equation from the first to get rid of u

3 u + v - 3 u = 13 - v - 29

v = - v - 16
2 v = -16
v = -8
then
3 u -8 = 13
3 u = 21
u = 7

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