Posted by Lily on Saturday, July 24, 2010 at 9:50am.
Use elimination to solve the the system of equations given by 10x4y=20
and 10x5y=35.
I can't figure this one out. Whenever I check my work, it is incorrect.

algebra 1  Reiny, Saturday, July 24, 2010 at 10:28am
when I subtract the last equation from the first, I get
y = 55
sub that back into the first
10x 4(55) = 20
10x + 220 = 20
10x = 240
x = 24
(those values verify in both equations)

algebra 1  Lily, Saturday, July 24, 2010 at 10:43am
Thank you! You were a lot of help!

algebra 1  Anonymous, Wednesday, February 6, 2013 at 10:28pm
6x+5y=1 6x+4y=10
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