SOLUTION: the sum of a number and twice the second number is 15. when the second number is subtracted from the first number, the difference is 3. find the two numbers
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Question 710239: the sum of a number and twice the second number is 15. when the second number is subtracted from the first number, the difference is 3. find the two numbers Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! the sum of a number and twice the second number is 15. when the second number is subtracted from the first number, the difference is 3. find the two numbers
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Equations:
x + 2y = 15
x - y = 3
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Subtract and solve for "y":
3y = 12
y = 4
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Solve for "x":
x-y = 3
x - 4 = 3
x = 7
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Cheers,
Stan H.
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