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Earn +20 ptsQ: What is the value of -21 plus -5?
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What is the value of x when x 2 plus 5 21?
maybe eight 21 - 5 = 16 = 2 x 8
What is 5 plus 2 plus 3 plus 7 plus 21 divided by 7?
5 + 2 + 3 + 7 + (21/7) = 20
What is 16 plus 5?
16 + 5 = 21
What is the value of the discriminant for the equation 21 plus 33 plus 4?
There is no variable, and the equation is not valid.
What is the value of five sevenths plus one third?
22/21 = 1 1/21. The common denominator is 21, so 5/7 = 15/21, and 1/3 = 7/21. Add 15/21 + 7/21 = 22/21. Then change to mixed number.
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