2020 AMC 10 B

Complete problem set with solutions and individual problem pages

Problem 1 Easy

What is the value of 1-(-2)-3-(-4)-5-(-6) ?(2020 AMC 10B, Question #1)

  • A.

    -20

  • B.

    -3

  • C.

    3

  • D.

    5

  • E.

    21

Answer:D
Solution

We know that when we subtract negative numbers, a-(-b)=a+b The equation becomes 1+2-3+4-5+6=(\text { D) } 5

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