Question

Thrice a number when decrease by 6 gives 45. Find the number.​

Answer 1

Answer:

the number is 17

Step-by-step explanation:

Let the number be 'x'

as per the question,

3x - 6 = 45

3x = 45 + 6

3x = 51

x = 51 ÷ 3

x = 17

Answer 2

To find : missing number .

Given : Thrice a number when decrease by $6$ gives $45$.

Solution :  

• Let , missing number be $x$ ,

• As per given data we know that thrice a number when decrease by  $6$   gives  $45$.  

• Therefore , we write as , $3x - 6 =45$

• Using transposition method we solve for $x$.  

        $3x - 6 =45 \\3x = 45 + 6 \\3x = 51 \\x = 17$

 Hence, missing number is  $17$.