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Q: Twice the sum of 4 and x is less than -16?

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20

The expression is: 2x-16

if a number is "x" then it is 2x-16

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

n - 16

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20

The sum is less than the positive number. Example: 16 + -3= 13. As you can see 13 is less than 16 so the sum is less than the positive number.

2a +16

X+16 < 32

7 + 9 = 16

The expression is: 2x-16

There are 216 permutations of three dice. Of these, 206 have a sum that is less than 16, specifically, the permutations 466, 556, 565, 566, 646, 655, 656, 664, 665, and 666 have sums that are 16 or greater - all other permutations have sums that are less than 16. The probability, then, of rolling a sum less than 16 on three dice is 206 in 216, or about 0.9537.

if a number is "x" then it is 2x-16

x + 16 < 15 x + 16 - 16 < 15 - 16 x < -1

9 and 7.

7 and 9.

16:20+14 = 3450-34 = 16

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