Question

Seven times a number is 12 less than thirteen times the same number. Find the Seven number.

Answer 1

Answer:

let x be the number

7x=13x-12

13x-7x=12

6x=12

x=2

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Answer 2

Let the required number be x.

7x = 13x – 12

⇒ 7x – 13x = -12 (Transposing 13x to LHS)

⇒ -6x = -12

⇒ x = 2

Thus, the required number is 2.