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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: Linear inequalities ax + b > 0, where a, b ∈ Q
  2. Algebra: Similar monomials
  3. Algebra: Rational number
  4. Algebra: Coordinate axis and point coordinate
  5. Geometry: Concept definition, concept sign.
  6. Algebra: Mathematics expression. Algebraic expression.
  7. Algebra: Linear equations ax + b = 0, where a, b ∈ Q.
  8. Algebra: Fraction (division) basic properties
  9. Algebra: Linear inequalities ax + b > 0, where a, b ∈ Q
  10. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.