Question

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 answred incorrectly, represents the situation how many did trevor answer incorrectly

Answer 1

SOLUTION:

100-2x=84.
Move 84 to the opposite side, and move "-2x" the the opposite side.

100-84=2x
16=2x
x=8.

So there is your answer, Trevor answered 8 problems incorrectly.

Answer 2

Trevor answered 8 problems incorrectly.

What is Algebra?

Algebra is a branch of mathematics dealing with symbols and the rules for manipulating those symbols.

Given:

100-2x=84.

100-84=2x

16=2x

x=8.

Hence, Trevor answered 8 problems incorrectly.

Learn more about this concept here:

https://brainly.com/question/16854582

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