Karlee has 4 sets of pencils. In each set, 1 pencil is 1/
2 answers:
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Answer:
Step-by-step explanation:
Based off the typical rules of integers, expressions like these can be simplified to look different but mean the same thing.
In this case, we subtracted a negative value from a positive value; by doing this, we actually added positive 4.
Based on the same principals, adding a negative number is equivalent to subtraction!
Any time you see equations similar to this, you want to cancel out the 2 negative signs to make it positive!
Please look at the attached file for more information :)
