13). 8x - 4 = 60 |
14). |

15). x - 5 = 15 |
16). 5 - x = 2 |

17). 22 - 3x = 7 |
18). 18 - 2x = 6 |

19). Fifteen less than a certain number is 60. What is the number? Answer:___________ |

20). I am thinking of a number. Four times the number plus 5 is equal to 45. What is the number? Answer:___________ |

21). Four more than twice the number of cousins I have is 16. How many cousins do I have? Answer:___________ |