2 years ago

(Algebra 1 ~ High School)

Mathematics

2 answers:

Ivan2 years ago

5 0

Step 2 I believe. You are supposed to find the absolute value before adding

choli [55]2 years ago

5 0

The solution is step 3. In step three they gave themselves two answers which is wrong. The lines mean absolute value, which means that it should be +3 not -3.

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