Question

Show algebriacally that the sum of two consecutive numbers is always odd

Answer 1

x + (x+1) = 2x+1
Here, 2x+1 is always odd
For example the value of x is 2 then we can say that,
x=2; x+1=3; 2x+1 = 5 [odd number(5)]
= 2 + 3 = 5

Please note that the bolded words are only for your better understanding

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