Question

which number when added to7gives 15?

Answer 1

hey friend
the answer is

x + 7 = 15
× = 15 - 7
× = 8

so the required number is. 8

Answer 2

Hey mate!
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Let the required number be x.

A/Q

x + 7 = 15

⇒x = 15 - 7

⇒x = 8

Hence, the required answer is 8.

Verification :

x + 7 = 15

⇒8 + 7 = 15

⇒15 = 15.

Hence, the required answer is 8.

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Thanks for the question !

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