text: United States of AmericaPA
  High School Core Standards - Algebra I Assessment Anchors
  
  # 3.02 Properties of equality
  
  ## Interactive practice questions
  
  Beginning with the equation $x=9$x=9, write the new equation produced by adding $1$1 to both sides.
  
  Easy
  Approx a minute
  
  Beginning with the equation $x=14$x=14, write the new equation produced by subtracting $7$7 from both sides.
  
  Beginning with the equation $x=10$x=10, write the new equation produced by multiplying both sides by $5$5.
  
  Beginning with the equation $x=99$x=99, write the new equation produced by dividing both sides by $11$11.
  
  ### Outcomes
  
  #### CC.2.2.HS.D.9
  
  Use reasoning to solve equations and justify the solution method.
  
  #### A1.1.2.1.1
  
  Write, solve, and/or apply a linear equation (including problem situations).
  
  #### A1.1.2.1.2
  
  Use and/or identify an algebraic property to justify any step in an equation-solving process. Note: Linear equations only.