SOLUTION: is (1,-2) is solution of 2x-y=3

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Question 571582: is (1,-2) is solution of 2x-y=3
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
2x-y=3

2(1)-(-2)=3

2-(-2)=3

2+2=3

4=3

The last equation is false, so (1,-2) is NOT a solution