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USING LETTERS TO REPRESENT NUMBERS

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  • b + 2 + 4b + 3
    5b + 5
  • Find 6a, if a = 5
    Thirty, 30
  • -9a + 2b + 5a - b
    -4a + b
  • 5a - a
    4a
  • -6 + a, when a = 8
    Two, 2
  • c + b + b + c
    2a + 2c
  • The perimeter of a regular pentagon is 40cm. What is the value of b?
    8cm
  • 3n - 4m + 9m
    5m + 3n
  • -12n + 4n + 3n
    -5n
  • 2b when b = 0
    ZERO
  • Letters that represent numbers.
    variable
  • 2x + y + x + 2y
    3x + 3y
  • 4a + a
    5a
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