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Write the following statemens in symbol...

Write the following statemens in symbolic form.
(i) A number si doubled and edded to 6, the result is equal to 14
(ii) The sum of a number and three fifth of the number is equal to 24.
(iii) Twenty years ago, the age of man was half of his preent age.

Text Solution

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The correct Answer is:
(i) `2x+6 = 14`
(ii) `x + (3x )/(5) = 24`
(iii) `x - 20 = (x)/(2)`
(i) A number id doubled and added to 6, the result is equal to 14
Let the number be x.
Double the number =2x
It is added to 6.
`rArr2x+6`
The result is equal to 14
`rArr2x+6=14`
(ii) Let the number be x.
`(3)/(5)` of the number `=(3x)/(5)`
Given thant `x+(3x)/(5)=24`
(iii) Let the present age of the be x years. 20 years ago the ae of the man =(x-20) years
Given
`x-20=(x)/(2)`
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