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CBSE - VII - Mathematics - Simple Equations

Respected sir/mam,
This question is intriguing me, please it would be great if you explain me this word problem:
"A no. is as much greater than 17 as it is less than 31. Find the no."

Asked by ranksahoo 27th October 2017, 9:48 PM
Answered by Expert


begin mathsize 16px style Let space the space number space be space straight x.
Since space straight x space is space as space much space greater space than space 17 space as space it space is space less space than space 31 comma space that space means space straight x space lies space between space 17 space and space 31.
Then comma space we space have
straight x minus 17 equals 31 minus straight x
rightwards double arrow straight x plus straight x equals 31 plus 17
rightwards double arrow 2 straight x equals 48
rightwards double arrow straight x equals 48 over 2
rightwards double arrow straight x equals 24
Hence comma space the space required space number space is space 24.
end style
Answered by Expert 13th December 2017, 6:16 PM

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