SOLUTION: There are two mystery numbers. The sum of 2 times the first number and 9 times the second number is -17. The sum of 10 times the first number and 10 times the second number is 20.

Question 1173318: There are two mystery numbers. The sum of 2 times the first number and 9 times the second number is -17. The sum of 10 times the first number and 10 times the second number is 20. What are the two numbers?
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
Numbers x and y

and you should be able.
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