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Earn +20 ptsQ: What is the value of x when x 2 plus 5 21?
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What is the value of -21 plus -5?
-26
What is 5 plus 2 plus 3 plus 7 plus 21 divided by 7?
5 + 2 + 3 + 7 + (21/7) = 20
What 7 plus 5 plus 4divide by 2 plus 7?
7 + 5 + 4 ÷ 2 + 7 = 21
What is the value of x when x to the exponent of 2 plus 5 equals 21?
X^2 + 5 = 21 subtract 5 from each side X^2 = 16 take square root each side X = (+/-) 4 -------------------------easy to check
What is the absolute value of negative 2 plus negative 5?
Absolute value of -2+(-5) is 7.
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