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138.3. Variable value

Write the correct answer!

Identify the value of variable!
x-3 = 3x -15
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Variable value

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Coordinate beginning point
  2. Algebra: Direct proportionality concept
  3. Algebra: Percent and proportions
  4. Algebra: Similar monomials
  5. Algebra: Numerical normal form
  6. Algebra: Trinomial.
  7. Algebra: Linear inequalities ax + b > 0, where a, b ∈ Q
  8. Geometry: Circle line, center, radius, diameter, chord, curve.
  9. Algebra: Coordinate axis and point coordinate
  10. Algebra: Linear equations ax + b = 0, where a, b ∈ Q.