\"\"

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The equation is \"\".

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Replace a in \"\"

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Choose a starting value using mental math.

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\"\" and \"\" so  1 is too low and 10 is too high.

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Then a lies between 1 and 10

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t

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        \"\" 

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Values of \"\"

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       4

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\"\"

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        5

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       5

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\"\"

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       9

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       6

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\"\"

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       11

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Since t = 6 makes the equation is equals \"\" is 6.\"\"

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The solution set is 6.