Question 674810
DETERMINE IF THE GIVEN ORDERED PAIR IS A SOLUTION TO THE SYSTEM OF EQUATIONS.
(5/4,3) 12X-4=22-Y
:
You about got it: 12*{{{5/4}}} = 15 (cancel 4 into 12, mult 5 by 3)
then you have 
15-4 = 22-3
11 does not = 19, so the ordered pair is NOT a solution