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Is 12a-a simplified?

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Is 12a-a simplified?

asked May 20, 2016 216k views

2 votes

Is 12a-a simplified?

Mathematics
middle-school

Plamen Zdravkov asked

by Plamen Zdravkov

8.2k points

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1 Answer

5 votes

12a−a

=12a−1a

=12a+−1a

=a+a+a+a+a+a+a+a+a+a+a+a+−a

=a+a+a+a+a+a+a+a+a+a+a

=11a

Quantaliinuxite answered May 26, 2016

by Quantaliinuxite

8.9k points

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