Question

Write an addition or subtraction equation (your choice!) to describe the diagram.
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Answer 1

0-4-9= -13

Explanation:

Going back 4 spaces from 0 is -4 then after that going back 9 more spaces is an addition to -4 of -9. Which is -13.

Answer 2

(-4)- (-9) = -13

Explanation:

not sure if it's right so be ware