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217.1. Identity.

Write the correct answer!

To what kind of value "a" expressions, does the 12-a-a and 2a+4 become the same?
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Identity

Solve tasks to find hidden Geo point coordinates

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  3. Algebra: Numerical inequalities and their properties.
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  9. Algebra: Concept of connection
  10. Algebra: Identity.