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1101.2. Equivalent equations.

Check the correct answer!

Is equation equivalent? x + 7 = 13 and x + 2 = 8
Grade:
7
Subject
Algebra
Theme
Equation and their solution
Subtheme
Equivalent equations

Solve tasks to find hidden Geo point coordinates

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