Half a number plus 7 is 11.What is the number?  Choose the correct answer.
A) 8  B) 9  C) 10  D) 11  E) 12
Let x be the number. 8lways replace "is" with an equal sign   (1/2)x + 7 = 11   (1/2)x = 11 - 7   (1/2)x = 4   x = 8   correct answer is 8
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Half a number plus 7 is 11.What is the number?