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2266.1. Equivalent inequalities

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Was equivalent transition made with inequality 6x-9>21-7x if it is known that now the inequality is written in form of 3(2x-3)>7(3-x) ?
Equivalent inequalities

Solve tasks to find hidden Geo point coordinates

  1. Geometry: Three point mutual arrangement.
  2. Algebra: Identical expression transformation.
  3. Algebra: Numerical equalities.
  4. Algebra: Trinomial.
  5. Algebra: Abscissa axis
  6. Algebra: Coordinate axis and point coordinate
  7. Algebra: Equation roots.
  8. Algebra: Equivalent equations.
  9. Algebra: Mutually equal monomials
  10. Algebra: Linear inequality solution
  11. Algebra: Linear inequality solution
  12. Algebra: Subscript concept: base, index, degree
  13. Algebra: Equation properties.
  14. Algebra: Function
  15. Algebra: Equivalent equations.
  16. Algebra: Variable value
  17. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  18. Algebra: Function y = x²
  19. Algebra: Similar polynomials.
  20. Algebra: Numerical expression.
  21. Algebra: Conditioned inequality properties.
  22. Algebra: Numerical equalities.
  23. Algebra: Concept of equation.
  24. Algebra: Function expression with formula, table, diagram
  25. Algebra: Monomial coefficient
  26. Geometry: Point, straight line, plane, geometric figure
  27. Algebra: Numerical normal form
  28. Algebra: Numerical module
  29. Algebra: Linear equations ax + b = 0, where a, b ∈ Q
  30. Algebra: Coordinate beginning point
  31. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  32. Algebra: Conditioned inequality properties.
  33. Algebra: Monomial normal form
  34. Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
  35. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  36. Algebra: Quadrant
  37. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
  38. Geometry: Equal triangles, appropriate elementrs, similar properties and signs.
  39. Algebra: Conditioned inequality properties
  40. Algebra: Equivalent inequalities
  41. Algebra: Numerical module
  42. Algebra: Quadrant