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246.1. Identical expressions.

Check the correct answer!

Are these expressions a+12(a-1) and 13a+6-18 identical?
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Identical expressions

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Letter - variable.
  2. Algebra: Numerical inequalities and their properties.
  3. Algebra: Mutually opposite monomials
  4. Algebra: Identity.
  5. Algebra: Ordinary and decimal fractions
  6. Algebra: Polynomial highest element.
  7. Algebra: Concept of direct proportionality
  8. Algebra: Variable value.
  9. Algebra: Equivalent equations.
  10. Geometry: Axiom, theorem, verifcation.