T ticka06 New member Joined Jan 29, 2010 Messages 6 May 16, 2010 #1 1. solve by the substitution Method 7x+4y=14 x=47-7y 2.solve using the multiplication principle -6x>1/13 3.0.7x+4<_1.5x-5 thanks
1. solve by the substitution Method 7x+4y=14 x=47-7y 2.solve using the multiplication principle -6x>1/13 3.0.7x+4<_1.5x-5 thanks