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Posted by **carrie** on Sunday, April 14, 2013 at 11:42am.

3u+v=-8 Im not sure how to do this problem

- college math -
**Reiny**, Sunday, April 14, 2013 at 11:52amdouble the 2nd:

6u + 2v = -16

5u + 2v = -15

subtract them:

u = -1

sub into 2nd:

-3 + v = -8

v = -5

v = -5 and u = -1

(curious why you called this "college math", this is grade 7 )

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