SOLUTION: Ally has $30 more than Carl. If they each had $7 less, the sum of their money would be equal to what Ally has now. How much money does Carl have?
Question 823248: Ally has $30 more than Carl. If they each had $7 less, the sum of their money would be equal to what Ally has now. How much money does Carl have? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! ---
x = ally
y = carl
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x = y + 30
(x - 7) + (y - 7) = x
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x = y + 30
x + y - 14 = x
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x = y + 30
y - 14 = 0
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x = y + 30
y = 14
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put the system of linear equations into standard form
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x - y = 30
y = 14
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answer:
x = ally = $44
y = carl = $14
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