1.

Fill in the blanks :13 subtracted from twice of a number gives 3, then the number____

Answer»

Let the number be x. 

Twice the number = 2x 13 is subtracted from twice the number 

⇒ 2x- 13 = 3 

⇒ 2x – 13 + 13 = 3 + 13 (Add 13 on both sides) 

⇒ 2x = 16

⇒ 2x/2 = 16/2 (Divide 2 on both sides)

⇒ x = 8 

∴ Number is 8.



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