a number is as much greater than 21 as it is less than 71.find the number
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Let x be the no.
And x is y greater than 21 and y less than 71.
so,x=21+y (equation 1).
x=71-y (equation 2)
Adding both equations, we get 2x=92.
so, x=46.
Thus, no. Is 46.
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