SOLUTION: Find two numbers whose sum and difference is 39 and 7

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Question 1062764: Find two numbers whose sum and difference is 39 and 7
Answer by math_helper(2461)   (Show Source): You can put this solution on YOUR website!

(x is assumed to be the larger number)
Add the two equations to get:

Divide both sides by 2:

Solve for y: —>

Ans: the two numbers are and

Check: 23+16 = 39 (ok)
23-16 = 7 (ok)

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Solution using just one variable 'x'
x + (x-7) = 39
2x - 7 = 39
2x = 46
x =
x-7 =



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