A | B |

Twice a number | 2n |

The sum of a number and -5 | n - 5 |

A number decreased by 8 | n - 8 |

Twice the opposite of a number increased by 5 | -2n + 5 |

Three time the sum of the opposite of a number and 6 | 3(-n+6) |

The product of 7 and the sum of a number and 10 | 7(n+10) |

The sum of the opposite of a number and -2 | -n - 2 |

Three times a number decreased by 7 | 3n - 7 |

Seven less a number | 7 - n |

12 less than the opposite of a number | -n - 12 |

8 more than twice a number | 2n + 8 |

four times the sum of a number and 9 | 4(n + 9) |

The opposite of five times the sum of a number and 3 | -5(n+3) |

The opposite of the difference of a number and 6 | -(n-6) |

The quotient of a number and 7 | n/7 |

The difference between the opposite of twice a number and -8 | -2n+8 |

Three plus a number | 3 + n |

Three times a number | 3n |

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

The difference between a number and three | n - 3 |