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What is the answer to -1+|n+7|=10?
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4 votes
What is the answer to -1+|n+7|=10?

User Jan Tojnar
by
7.8k points

1 Answer

2 votes

Answer:

-18,4

Explanation:

(add one to both sides): |n+7|=11

(subtract 7): n=4

(go back to the equation before and change the sign): |-n-7|=11

(add 7 to both sides): -n=18

(multiply by -1): n=-18

User Chris Leishman
by
9.3k points
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