Q: Twice the sum of a number and 16 is 20?

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-20 because -20 + 36 = 16

It is 20.

A single number cannot have a sum or a product - a sum or product is used to compare two or more numbers.

4 + 2*n â‰¥ 20

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.

47 Impossible problem!

4 + 16 = 20

20+x

It is: 2*(6+4) = 20

It could be: 2x+16 = -24 in which case the value of x is -20

Theuy are: 16/4 = 4 and 16+4 = 20

15

No; 20 is an abundant number. S = {1, 2, 4, 5, 10} is the set of all positive divisors of 20, excluding itself. The sum of these divisors = 1+2+4+5+10=22 which is greater than 20. Therefore 20 is an abundant number, not a deficient number. When the sum exceeds the number, the number is abundant. When the sum equals the number, the number is perfect. When the sum is less than the number, the number is deficient.

It is: 5+15 = 20

The sum is 20+ (7x2). The answer to that is 20+14=34 50-34= 16 16 is your answer.

1

16 + 20 = 36 16 x 20 = 320 The two numbers are 16 and 20.

x+y=20 x=2y-2 2y-2+y=20 y-2=20 y=18 x=2

16:20+14 = 3450-34 = 16

the unknown number is 30 as 50 = x +2(10) so 50 = x+20 so 30 = x

20+2x

17 and 3 = 20

GCF = 4, sum = 84.

4(x + 5) = 2x + 8 4x + 20 = 2x + 8 2x = -12 x = -6

2 is your answer 2^2 + 4^2 = 20 4 + 16 = 20 4^1/2= 2