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Substitution

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    Substitution
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  • If x=3, what is 13 + x ?
    16
  •  15
  • If b=7, what is 31 - b ?
    24
  •  15
  • If y= -3, what is 3 + y ?
    0
  •  15
  • If x = 60, what is x/5 ?
    12
  •  15
  • If a = 4, what is 3a ?
    12
  •  15
  • If x= -5, what is 5x ?
    -25
  •  15
  • If x=4, what is 2x - 1 ?
    7
  •  20
  • If b=10, what is 4b + 2 ?
    42
  •  20
  • If x = 7, what is x^2 ?
    49
  •  20
  • Is b= -2, what is 4b - 10 ?
    -18
  •  20
  • If x = 9, what is 2(x-4) ?
    10
  •  20
  • If r = -20, what is r/5 ?
    -4
  •  20
  • If y = 6, what is 3y + 2y?
    30
  •  20
  • If x= -7, what is 2(4x) ?
    -56
  •  20
  • If y = 100, what is y/20 + 5?
    10
  •  20
  • If x=2, what is x + x ?
    4
  •  10