Question

A number is multiplied by 3 and 7 is added as the result is 25 find the number?​

Answer 1

Answer:     x=6

Step-by-step explanation: Let number be x

Equation : 3x + 7 = 25

                  3x = 18

                   x=6

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Answer 2

To find : missing number

Given : when a number  is multiplied by $3$ and 7 is added to the product we get result as $25$.

Solution :  

• Let , $x$ be the missing number .
• As per the given data we write condition as ,

                          $(x \times 3 )+ 7 = 25$

• to find variable $x$ we leave this term at LHS and transfer , constant at RHS , $3x = 25 -7$

                    $x = \frac{18}{3}$  

                     $x =6$

Hence, the missing number is $6$.