A | B |

Three more than twice a number | 2n + 3 |

The difference of 3 and a number squared | 3 - n^2 |

Three less than the square of a number | n^2 - 3 |

The sum of 3 and twice a number | 3 + 2n |

The quotient of a number and 3 | n/3 |

The product of a number and 3 | 3n |

The difference of a number and 3 | n - 3 |

3 less than the quotient of 4 and a number | 4/n - 3 |

The difference of 3 and the quotient of 4 and a number | 3 - 4/n |

The quotient of 3 and a number | 3/n |

5 less than the product of 6 and a number | 6n - 5 |

The difference of 5 and the product of 6 and a number | 5 - 6n |

The sum of the quotient of 3 and a number and 4 | (3/n + 4) |

The sum of the difference of 6 and a number and 3 | (6 - n) + 3 |

The square of a number | n^2 |

Twice a number | 2n |