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220.3. Identity.

Check the correct answer!

Is the given equation an identity? a+6+15b-8c-6c=3a-2a+11-5-3\times 5b+2c
Simple algebric expression transformation

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Connection concept
  2. Algebra: Equation roots.
  3. Algebra: Numerical module
  4. Algebra: Similar monomials
  5. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  6. Algebra: Monomial coefficient
  7. Algebra: Polynomial.
  8. Algebra: Ordinary and decimal fractions
  9. Geometry: Inner unilateral and cross angles, alternate interiour angles, parallel straight lines, properties, and parallel signs.
  10. Algebra: Independent variable (argument) and dependent fixed (function)
  11. Algebra: Ordinate axis
  12. Algebra: Coordinate axis and point coordinate
  13. Algebra: Connection concept
  14. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
  15. Algebra: Linear function y = kx + b
  16. Algebra: Function
  17. Geometry: Internal one-way angles, internal intersecting angles, step angles, parallel lines, parallel line properties, signs of line parallelism
  18. Algebra: Coordinate axis and point coordinate
  19. Algebra: Mathematics expression. Algebraic expression.
  20. Algebra: Ordinary and decimal fractions
  21. Algebra: Identical expressions.
  22. Algebra: Polynomial normal form.
  23. Algebra: Equation roots.
  24. Algebra: Identical expression transformation.
  25. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  26. Algebra: Mathematics expression. Algebraic expression.
  27. Algebra: Numerical connections
  28. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  29. Algebra: Subscript concept: base, index, degree
  30. Geometry: Equal figures, line segments, lengths, midpoints, distance between two points.
  31. Algebra: Numerical equalities.
  32. Algebra: Conditioned inequality properties
  33. Algebra: Identity.
  34. Algebra: Polynomial.
  35. Algebra: Point coordinates
  36. Algebra: Diagram y = kx + b (drawing)
  37. Geometry: Angle, angle edges and peak, value, degree, measurement.
  38. Algebra: Equivalent equations.
  39. Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
  40. Algebra: Monomial coefficient
  41. Algebra: Notation –x < 3 vai x ∈ (– ∞; 3)
  42. Algebra: Identical expression transformation.