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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?

 Mar 19, 2018

Best Answer 

 #1
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Next time, you should post your questions here in the "Questions Section" !!!

 

100 - 2x = 84      subtract 100 from both sides

- 2x = 84 - 100

-2x = - 16            divide both sides by - 2

x = - 16 / -2

x = 8 - Questions that Trevor answered incorrectly.

 Mar 19, 2018
 #1
avatar
+1
Best Answer

Next time, you should post your questions here in the "Questions Section" !!!

 

100 - 2x = 84      subtract 100 from both sides

- 2x = 84 - 100

-2x = - 16            divide both sides by - 2

x = - 16 / -2

x = 8 - Questions that Trevor answered incorrectly.

Guest Mar 19, 2018

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