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Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number1. 52. 153. 7.54. 4 |
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Answer» Correct Answer - Option 1 : 5 Given: When 15 is subtracted from 7 times of the number, the result is 10 more than twice of a number Calculation: Let the number be x We know that 7 × x – 15 = (2 × x) + 10 ⇒ 7x – 2x = 10 + 15 ⇒ 5x = 25 ⇒ x = 5 ∴ The number is 5. |
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