SOLUTION: please help me solve this linear equation by means of determinants 5x-2y=4 -2x+7y=-14

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Question 480796: please help me solve this linear equation by means of determinants 5x-2y=4
-2x+7y=-14
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
system%285x-2y=4%2C-2x%2B7y=-14%29
using Cramer's rules x=det%28A%5B1%5D%29%2Fdet%28A%29, y=det%28A%5B2%5D%29%2Fdet%28A%29,
det%28A%29=abs%28matrix%282%2C2%2C5%2C-2%2C-2%2C7%29%29=5%2A7-%28-2%29%2A%28-2%29=31
det%28A%5B1%5D%29=abs%28matrix%282%2C2%2C4%2C-2%2C-14%2C7%29%29=4%2A7-%28-2%29%2A%28-14%29=0

x=0%2F31=0, y=%28-62%29%2F31=-2,
Answer (0,-2)