posted by tom on .
What is the value of u in the following system of linear equations?
4u + 3v = –1
3u + 2v = 1
Multiply both sides of the 1st Eq by -2,
and multiply both sides of the 2nd Eq by 3. Then add the Eqs.
-8u -6v = 2
+9u +6v = 3
U = 5.