Question

When 9 is added to two times a number ,we get 67. the number is

Answer 1

solution
let the number be x.
2x+9=67
2x=67-9
2x=58
x=58/2
x=29
so the number is 29

Answer 2

The required number = 29

Given :

When 9 is added to two times a number ,we get 67

To find :

The number

Solution :

Step 1 of 2 :

Form the equation

Let the required number = x

Two times the number = 2x

When 9 is added to 2x it becomes 2x + 9

By the given condition

2x + 9 = 67

Step 2 of 2 :

Find the number

$\displaystyle \sf{ 2x + 9 = 67}$

$\displaystyle \sf{ \implies 2x = 67 - 9}$

$\displaystyle \sf{ \implies 2x = 58}$

$\displaystyle \sf{ \implies x = \frac{58}{2} }$

$\displaystyle \sf{ \implies x =29}$

Hence the required number = 29

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