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2x + 7

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โˆ™ 2013-05-30 15:42:35
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Math and Arithmetic

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Is 0 a natural number

Is 0 a whole number

The sum of twice a number 7

Is -8 a whole number

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Q: The sum of twice a number 7?
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Related questions

The sum of twice a number and 7?

?=2n+7


How do you write an algebraic expression for twice the sum of a number and 7?

2(n+7)


The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number What is the number?

18


How do you write sum of twice a number plus seven?

2x+7=n


Three times a number is 3 less than twice the sum of 5 and the number find the number?

The number is 7.


Can you find the answer to twice the sum of a number and seven?

2 * (x + 7) 2x + 14 ■


A sum of a number and twice its number?

If the number is n, then twice the number is 2n and the sum of the two is n + 2n = 3n.


The sum of 7 and twice a certain number is 10 more than the number what is the number?

7 + 2x = x + 10 so 2x - x = 10 - 7 x = 3


Three times a number minus twice another number is 11 The sum of the two numbers is 7 what are the two numbers?

5 and 2


7 less then twice a number?

Let the number be x Twice a number means 2x 7 less than twice a number means 2x-7


The sum of two and twice a number is 36 How do write this equation?

"the sum of 2" and "twice" "a number" "is" "36"2+2x=36 â– 


How do you write twice the sum of a number and 8 equals 7?

If: 2x+8 = 7 then x = -1/2


What is twice the sum of a number and 11?

2n+13


The sum of 6 times some number and 3 is equal to 5?

if the product of a number and -7 is reduced by 3, the result is 33 less than twice the opposite of the number. What is the number?


The sum of a number and twice the number is 30 Find the number?

10


The sum of twice a number and 5 is 39 Find the number?

The number is 17.


One number is 11 more than twice another number If the sum of the numbers is twice their difference find the numbers?

11,33


How can you prove that a perfect number can never be a prime number?

In a perfect number, the sum of all the factors (including the number itself) is twice the number. E.g., the sum of the factors of 6 is 1 + 2 + 3 + 6 = 12 (equal to 2 x 6). Every prime number has two factors: 1, and itself. So, the sum of the factors is only one more than the prime number itself; for any number greater than 1, this can't be twice the number. For example, the prime number 7 has the factors 1 and 7, which add up to 8.


If one number is six more than another if twice their sum is decreased by 4 the result is 36 Find the numbers?

13 and 7


What is a two digit number that is one third of the number is 7 more than one fourth of the number and the first digit is twice the second digit and the sum of the digits is a two digit number?

2.3


The sum of twice a number and seven is thirty Find the number?

2x + 7 = 30 - 7 - 7 2x = 23 x = 23/2 x = 11.5


What is twice the sum of 7 and 15?

2*(7 + 15) = 2*22 = 44


The sum of twice the number and 7 less than the number is the difference between -39 and the number?

46


What is the sum of 0.13 and twice a number?

0.13 + 2N


What is the sum of twice a number and 33?

2n + 33