SOLUTION: two times the first number is one more than the second number. if their sum is -64, what is the two numbers?

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Question 625345: two times the first number is one more than the second number. if their sum is -64, what is the two numbers?
Answer by reynard2007(52) About Me  (Show Source):
You can put this solution on YOUR website!
2x=y%2B1 two times the first number (x) is one more than the second number (y)
x%2By=-64 their sum is -64
x=-64-ySolve for x in terms of y using the second equation
2%28-64-y%29=y%2B1Substitute x in the first equation
-128-2y=y%2B1
3y=-129 ==> y=-43

Solve for x using y as -43, we get x=-21.
The two number are -21 and -43.