Question

If three times a number is added to minus 7 we get 14 what is the number

Answer 1

Hi there!

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Let the required number be x.

A/Q,

3x + (-7) = 14

⇒ 3x - 7 = 14

⇒ 3x = 14 + 7

⇒ 3x = 21

⇒ x = 21 / 3

⇒ x = 7

Hence, the required number is 7.

Verification :

Putting the value of x = 7.

3x + ( - 7) = 14

⇒ 3 × 7 - 7 = 14

⇒ 21 - 7 = 14

⇒ 14 = 14

LHS = RHS.

Hence, the required number is 7.

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Thanks for the question !

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