SOLUTION: One number is 6 more than another. the difference between their squares is 84. what are the numbers?

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Question 930392: One number is 6 more than another. the difference between their squares is 84. what are the numbers?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
y = x + 6
yy - xx = 84
(x + 6)(x + 6) - xx = 84
xx + 12x + 36 - xx = 84
12x = 84 - 36
x = 48/12
x = 4
y = x + 6
y = 4 + 6
y = 10
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answer:
x = 4
y = 10
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