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Viki
Viki, Internet Researcher
Category: General
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Experience:  I have eleven years experience writing statewide educational tests for all levels.
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9+x 21 for x 11

Resolved Question:

determine whether the given value of the variable is a solution.
Submitted: 10 years ago.
Category: General
Expert:  Viki replied 10 years ago.

9 + x =11

subtract 9 from each side;

9 + x - 9 = 11 - 9

x = 2; x does not equal 11

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