SOLUTION: The difference between two numbers is 10. If the numbers are doubled, what is the difference between them?

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Question 172133: The difference between two numbers is 10. If the numbers are doubled, what is the difference between them?
Found 3 solutions by stanbon, solver91311, Mathtut:
Answer by stanbon(48558)   (Show Source):
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The difference between two numbers is 10. If the numbers are doubled, what is the difference between them?
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If x-y = 10
then 2x -2y = 20
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Cheers,
Stan H.

Answer by solver91311(12126)   (Show Source):
You can put this solution on YOUR website!
One number is x and the other is y. The problem states that the difference is 10, so . But if you double the numbers, you have to double the difference as well in order for the equation to remain a true statement.

.

Answer by Mathtut(3670)   (Show Source):
You can put this solution on YOUR website!
a-b=10.....eq 1
:
2a-2b=?....eq 2
:
2(a-b)=? distribution property
2(10)=20 substitute eq 1's value