Sunday

March 29, 2015

March 29, 2015

Posted by **Robin** on Sunday, April 11, 2010 at 5:31pm.

7x +9y= 19

x=25-5y

I read over all the problems I do not see any errors I can find.

Please point this out!

After this I have another problem

0.1<-4

0.1 X 100 < -4

10< -4

10 -4

_______

10 10

{x|< - 4/10 or -0.4

- Mat 116 -
**PsyDAG**, Monday, April 12, 2010 at 1:52pmSubstitute 25-5y for x in the first equation and solve for y. Put that value in the second equation to find x. Check by putting both values into the first equation.

It is not clear what the second problem is or what you are doing with the second problem.

**Answer this Question**

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