Posted by dj on Monday, July 21, 2008 at 4:35pm.
Multiply the first equation by 4 and the second by 6, and then add the two. This will eliminate the x and let you solve for y.
x - (4/6) y = -8
-x + (6/5)y = 24
(-20/30 + 36/30)y = 16
(16/30)y = 16
y = 30
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