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OpenStudy (blaque678):
The sum of two numbers is 42 and the difference is 12.What are the numbers?
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OpenStudy (cwtan):
x+y=42 x-y=12 x=12+y 12+y+y=42 12+2y=42 2y=30 y=15 x=12+15=27
OpenStudy (cwtan):
(Assume x and y are the numbers)
OpenStudy (anonymous):
x + (x+12)=42 2x +12 =42 2x =30 x=15
OpenStudy (blaque678):
It should be 2 numbers.One large number and one small number.
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