SOLUTION: On a science test, 2 points are deducted from a total of 100 points for each question answered incorrectly. Trevor scored an 84 on the test. The equation 100 – 2x = 84, where x rep

Algebra ->  Average -> SOLUTION: On a science test, 2 points are deducted from a total of 100 points for each question answered incorrectly. Trevor scored an 84 on the test. The equation 100 – 2x = 84, where x rep      Log On


   

Question 974484: On a science test, 2 points are deducted from a total of 100 points for each question answered incorrectly. Trevor scored an 84 on the test. The equation 100 – 2x = 84, where x represents the number of questions answered incorrectly, represents the situation. How many questions did Trevor answer incorrectly?
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
x = the number of questions answered incorrectly

100 - 2x = 84
-2x = -16 {subtracted 100 from each side}
x = 8 {divided each side by -2}

Trevor answered 8 questions incorrectly.

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