Question

twice a number equals to 20 what is the number.?​

Answer 1

2x=20

x=20/2

x=10

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Answer 2

The number is 10

Given :

Twice a number equals to 20

To find :

The number

Solution :

Step 1 of 2 :

Form the equation to find the number

Let the required number number = x

Then twice the number = 2x

By the given condition

2x = 20

Step 2 of 2 :

Find the number

$\displaystyle \sf{ 2x = 20 }$

$\displaystyle \sf{ \implies x = \frac{20}{2} }$

$\displaystyle \sf{ \implies x = 10}$

Hence the required number = 10

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