There are two numbers whose sum is 77 and their difference is 7.Find numbers.
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Answered by
5
Answer:
first number = 42
second number = 35
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0
let numbers be x, y
(x+y)+(x-y) =77+7
2x=84
x=84/2
x=42
42+y=77
y=77-42
y=35
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