Asked by carrie
5u+2v=-15
3u+v=-8 Im not sure how to do this problem
3u+v=-8 Im not sure how to do this problem
Answers
Answered by
Reiny
double 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 )
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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