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Solve using the elimination method
tlmbmw05
Mar 10, 2010, 06:24 PM
solve using the elimination method and if the system is no solution or an infinite number x + 9y = 79 -7x + 9y = 23
Unknown008
Mar 10, 2010, 10:24 PM
Subtract the second equation from the first:
x + 9y = 79
-7x + 9y = 23 -
8x + 0 = 56
Can you continue?