Posted by Presley on Monday, March 22, 2010 at 11:55pm.
Elimination using addition and subtraction:
x - y = 1
x + y = 3
-x + y = 1
x + y = 11
x + 4y = 11
x - 6y = 11
-x + 3y = 6
x + 3y = 18
I NEED HELP ASAP!!!!
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