write down two numbers with the sum of 9 and difference of 1 ?
Answers
Answered by
48
4,5 are the numbers whose
sum is 4+5=9
&
difference is 5-4=1
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Answered by
27
The two numbers with the sum of 9 and difference of 1 is 5 and 4.
Explanation:
Let the two numbers be x and y.
sum of the number: x + y = 9 -------(1)
difference of the number: x – y = 1 ------(2)
Solve for x in the second equation:
x = 1 + y
Substituting 1 + y instead of x in the first equation.
(1 + y) + y = 9
1 + 2y = 9
2y = 8
y = 4.
Similarly substitute y in any of the equations.
X + y = 9
x + 4 = 9
x = 5.
The two numbers are 5 and 4.
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write down two numbers with a sum of 9 and a difference of 1 ...
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