Determine whether the given value is a solution of the equation. Show your work. 21 = x − 5; x = 16

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Question 21 pts
Determine whether the given value is a solution of the equation.

14 + x = 44; x = 30

30
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a solution of 14 + x = 44.

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Question 31 pts
Determine whether the given value is a solution of the equation.

81 = LaTeX: \frac{k}{9}k 9; k = 9
9
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a solution of 81 = LaTeX: \frac{k}{9}k 9

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Question 41 pts
Complete the explanation that tells how you can determine whether a number is a solution of an equation.
Substitute the
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for the
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and simplify. If the final statement is
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, the number is a solution.