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Translate the following sentence to an equation. Then solve the equation.
Twenty dash one less a number is equal to the product of 2 and the sum of the number and 6. Find the number.



Answer :

mathstudent55

Answer:

3

Step-by-step explanation:

Let x = number.

21 - x = 2(x + 6)

21 - x = 2x + 12

9 = 3x

x = 3

Answer: The number is 3.

Answer:

number = 3

Step-by-step explanation:

let the required number = x

as per given:

20 - (x - 1) = (2)(x + 6)

20 - x + 1 = 2x + 12

21 - x = 2x + 12

21 - 12 = 2x + x

3x = 9

x = 9/3 = 3

thus,

the required number = 3

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