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The sum of two numbers is 45 and there difference is 27. What's the two numbers?

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The answer is 36 and 9,

Here is how you get it.
a + b = 45
a - b = 37
add the two equation to get
2*a + 0 = 72
solve for a so
a = 72 / 2 or 36
put a into the first equation
36 + b = 45 and then solve for b
b = 45 - 37 or b = 9
I hope this helps.

Posted on May 08, 2014

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