Posted by Kristin on Saturday, March 13, 2010 at 5:37pm.
1)
x+8y=33
x+4y=3
I need help solving this one using the elimination method!

math  Alan, Saturday, March 13, 2010 at 5:42pm
x+8y=33  (1)
x+4y=3  (2)
(1) + (2),
x + 8y + (x + 4y) = 33 + 3
12y = 36
y = 3
sub y = 3 into (2),
x + 4(3) = 3
x = 3  12
x = 9
x = 9
CHECK: sub x = 9 and y = 3 into (1),
9 + 8(3) = 33
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