SOLUTION: Which of the numbers 9, 10, or 11 is the solution of 83 = 93 - x?
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Question 96556: Which of the numbers 9, 10, or 11 is the solution of 83 = 93 - x?
Found 2 solutions by stanbon, jim_thompson5910:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Which of the numbers 9, 10, or 11 is the solution of 83 = 93 - x?
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Replace the x by 9 then by 10 then by 11 to see which
number makes the equation true.
10 is the answer.
Cheers,
Stan H.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Plug in x=9
Combine like terms. Since the equation is not true, x=9 is not a solution
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Plug in x=10
Combine like terms. Since the equation is true, x=10 is a solution
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Plug in x=11
Combine like terms. Since the equation is not true, x=11 is not a solution
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Answer:
So the only solution is x=10
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