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What does "cross the line, change the sign" means.

What does "cross the line, change the sign" means.
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3 votes
What does "cross the line, change the sign" means.

User Prasannajit
by
7.5k points

1 Answer

4 votes

Answer: i believe its like with fractions if you have to cross the line to add or subtract it means that

Explanation:

are you working with fractions

User Arias
by
8.4k points
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