Question

I thought of a number ,doubled it and and rhen deducted 17.The product of this difference,when multiplied by 6,became 126.What was the number I thought of​

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Solution-

Let the number be x.

The number, after doubling and deducting 17 = 2x-17

According to condition,

6×(2x-17) = 126

⇒ 12x-102 = 126

⇒ 12x = 126+102

⇒ 12x = 228

⇒ x = 228/12

⇒ x = 19

Hence, the number is 19.

Verify-

6×(2x-17) = 126

⇒ 6×{(2×19)-17} = 126

⇒ 6×(38-17) = 126

⇒ 6×21 = 126

⇒ 126 = 126

Hence, L.H.S = R.H.S.