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14 votes
Im not sure on how to do this and its suppose to be done with substitution method

Im not sure on how to do this and its suppose to be done with substitution method-example-1
User Mohit Bumb
by
6.0k points

1 Answer

8 votes

Answer:

1. -6

2. 0

Explanation:

User CocoBagarre
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5.9k points