SOLUTION: The sum of two numbers is 25 their difference is 9 what are the two numbers?

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Question 441735: The sum of two numbers is 25 their difference is 9 what are the two numbers?

Answer by Ex(2) About Me  (Show Source):
You can put this solution on YOUR website!
Lets write down what the problem gives us:
x + y = 25
x - y = 9
1.)x+-+y+=+9; -+y+=+9+-+x; -y%2F-1+=+9%2F-1+-+x%2F-1; y+=+x+-+9
- Here, we solve for the variable y so that we may input it in the first equation.
2.) x+%2B+%28x+-+9%29+=+25; 2x+=+34; 2x%2F2+=+34%2F2; x+=+17
- Then we input the expression we solved for earlier, therefore allowing us to solve for x. Begin by combining like terms, then dividing each side by two to solve for x.
3.) %2817%29+%2B+y+=+25; 17+-+17+%2B+y+=+25+-+17; y+=+8
- Finally we input the value for x, then solve for y.