SOLUTION: The sum of three numbers is -4. The second number decreased y the third is equal to the first. The sum of the first and second numbers is -5. Find the numbers.
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Question 1051688: The sum of three numbers is -4. The second number decreased y the third is equal to the first. The sum of the first and second numbers is -5. Find the numbers. Found 2 solutions by stanbon, MathTherapy:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The sum of three numbers is -4. The second number decreased by the third is equal to the first. The sum of the first and second numbers is -5. Find the numbers.
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a + b + c = -4
b - c = a
a + b = -5
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Rearrange::
a + b + c = -4
a - b + c = 0
a + b + 0 = -5
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Subtract 1st row from 2nd
Subtract 1st row from 3rd
a + b + c = -4
0 -2b + 0 = 4
0 + 0 - c = -1
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c = 1
b = -2
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a -2 +1 = -4
a = -3
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Cheers,
Stan H.
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You can put this solution on YOUR website!
The sum of three numbers is -4. The second number decreased y the third is equal to the first. The sum of the first and second numbers is -5. Find the numbers.
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