algebra

• What type of equations will be covered in this video?

  Basic algebraic equations
• What is the unknown letter in the left equation?

  x
• What is the unknown letter in the right equation?


  a
• What are you trying to find when solving an equation?

  The number the unknown letter represents
• What is the equation being solved?

  something + 3 = 10
• What is the solution to the equation something + 3 = 10?

  7
• Why do you need to rearrange the equation?

  To get the unknown letter by itself
• What is the key rule when rearranging equations?

  Do the same to both sides
• What happens if you don't follow the key rule?

  The equation won't be correct
• How do you get rid of the +3 in the equation x + 3 = 10?

  Subtract 3
• What do you need to do to the right-hand side when subtracting 3 from the left-hand side?

  Subtract 3
• How can you show the subtraction of 3 from both sides?

  With an arrow and -3
• Why is it helpful to show the subtraction of 3 from both sides?

  It helps with complicated questions
• What is the solution to the equation x + 3 = 10?

  x = 7
• How do you get rid of the -5 in the equation 14 = a - 5?

  Add 5
• What is the solution to the equation 14 = a - 5?

  a = 19
• What is the goal when solving equations with multiplication and division?

  Get the unknown letter by itself
• How do you get rid of the multiplication by 3 in the equation 3x = 12?

  Divide by 3
• What is the solution to the equation 3x = 12?

  x = 4
• How do you get rid of the division by 4 in the equation 15 = p/4?

  Multiply by 4
• What is the solution to the equation 15 = p/4?

  p = 60
• What is the equation being solved?

  4 + b = 19
• How do you get rid of the +4 in the equation 4 + b = 19?

  Subtract 4
• What is the solution to the equation 4 + b = 19?

  b = 15
• How do you solve the equation 7x = 28?

  Divide by 7
• What is the solution to the equation 7x = 28?

  x = 4
• Why is it important to do the same operation to both sides of the equation?

  To maintain equality
• What are the inverse operations of addition and subtraction?

  Subtraction is the inverse of addition
• What are the inverse operations of multiplication and division?

  Division is the inverse of multiplication