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140.3. Variable value

Write the correct answer!

Identify the value of variable!
x*4-5=19
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Variable value

Solve tasks to find hidden Geo point coordinates

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  2. Algebra: Abscissa axis
  3. Algebra: Similar monomials
  4. Algebra: Number gap and their types.
  5. Algebra: Similar monomials
  6. Algebra: Equivalent inequalities
  7. Algebra: Functions expression with formula, table, diagram
  8. Algebra: Numerical expression.
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  10. Algebra: Monomial
  11. Algebra: Letter - variable.
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  13. Algebra: Monomial (1. degree).
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  15. Algebra: Polynomial highest term.
  16. Algebra: Ordinary and decimal fractions
  17. Algebra: Letter - variable.
  18. Algebra: Proportionality factor k
  19. Algebra: Monomial (1. degree).
  20. Geometry: Internal one-way angles, internal intersecting angles, step angles, parallel lines, parallel line properties, signs of line parallelism
  21. Algebra: Rational number
  22. Algebra: Diagram y = kx + b (drawing)
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  24. Algebra: Similar polynomials.
  25. Algebra: Similar elements of polynomials.
  26. Algebra: Numerical expression.
  27. Algebra: Variable value
  28. Algebra: Diagram y = kx + b (drawing)
  29. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  30. Algebra: Ordinary and decimal fractions
  31. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
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  35. Algebra: Numerical inequalities and their properties.
  36. Algebra: Number gap and their types.
  37. Algebra: Function y = x²
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  41. Geometry: Three point mutual arrangement.
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