Posted by justin on Thursday, January 14, 2010 at 9:14am.
I can't read the sign on the 3y on the second equation.
In any event, multply the first equation by 3, then you have
24x-3y=12
then add or subtract that from the second equation to eliminate the y terms, then solve for x. Put that x back into either original equation to solve for y.
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