4u-3v=1
3u+4v=6
4(4u-3v=1)
3(3u+4v=6)
16u-12v=4 + 9u+12v=18
the -12v and +12v cancel and youre left with
25u = 22
u = 22/25
plug u into the first eq (4u-3v=1) to get v
to check you can plug in both values to see if they equal 1 or 6
i hope im doing it right.. its been forever. |