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The sum of a number and twice the number is 30?
x+2x=303x=30 x=10
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 15?
It is: 15+15 = 30
What is the absolute value of the sum of -7 and twice a number is 23 Find the number?
If you mean... -7+x*2=23 then x = 15. Done without the aid of a calculator ! The value of 'x' (the unknown number) MUST equal 30, because 30-7=23 - SO, half the unknown number must be 15!
What is One number is one more than twice another and their sum is 91. What are the numbers?
The numbers seem to be 61 and the dirty Gertie, blind 30.
The sum of a number and twice the number is 30?
x+2x=303x=30 x=10
What is the sum of twice a number and 14 less than the number is the same as the difference between -6 and the number?
20
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
The sum of a number and 9 is -30. find the number?
39
What is twice the sum of 15?
It is: 15+15 = 30
What number between 20 and 30 has a sum of all its proper factors equal to twice the number itself?
There aren't any numbers like that. You might be thinking of 28, which has a sum of all its factors equal to twice itself, making it a perfect number. Proper factors are a different set.
Twice the sum of 10 plus an unknown number equals 50?
the unknown number is 30 as 50 = x +2(10) so 50 = x+20 so 30 = x
Seven times a number is 30 greater than the sum of twice the number and 5what is the number?
Correction: Here is the equation you will need to solve: 7N - 30 = 2N + 5 --> 5N = 35 --> N = 7
Twice a number added to sixty is 120 Find the number?
Thirty: 30*2+60=120
What is the absolute value of the sum of -7 and twice a number is 23 Find the number?
If you mean... -7+x*2=23 then x = 15. Done without the aid of a calculator ! The value of 'x' (the unknown number) MUST equal 30, because 30-7=23 - SO, half the unknown number must be 15!
The sum of a number and its square is 6 Find the number?
There are two solution: -3 and +2.
What is the sum of two numbers if the first number is 30 less than twice the second number and the second number is 16?
Let x = first number The equation would look like this: x = 2(16) - 30 x = 32- 30 x = 2 Okay, since we're using x as our variable for the first number, then the first number is 2. Next we add both of the numbers together in order to find the sum. 2 + 16 = 18 So the final answer would be 18.
