SOLUTION: tell whether the ordered pair (5,3) is a solution of the system: -3x+2y=-21 -x-y=-2

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Question 690657: tell whether the ordered pair (5,3) is a solution of the system:
-3x+2y=-21
-x-y=-2
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
tell whether the ordered pair (5,3) is a solution of the system:
-3x+2y=-21
Sub 5 for x & 3 for y, see if it's equal.
-3*5 + 2*3 =? 21
-15 + 6 =? 21
Not equal.
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-x-y=-2
Do the same.