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# Module 6 Flash cards

### Module Material

Question | Answer |
---|---|

Solve using the addition method: 2x+2y=16 -2x+5y=-2 | x=6 y=2 |

Solve using the addition method: x+y+z=4 x-2y-z=12 x-y-2z=-1 | x=2 y=-1 z=3 |

Solve using the addition method: 0.5x+y=3.5 1.5x-y=2.5 | x=3 y=2 |

Solve using the addition method: 12x-13y=2 -6x+6.5y=-2 | no solution |

Solve using the addition method: 3x-5y=10 -x+y=2 | x=-10 y=-8 |

Solve using the addition method: x-2.5y=4 x+9.5y=-8 | x=1.5 y=-1 |

Solve using the addition method: 12x+9y=9 -3x-3y=3 | x=6 y=-7 |

What is it called when the answer to a system of equations could be any number? | infinite number of solutions |

Solve using the addition method: -2x+18.5y=04 x+37y=5 | no solution |

Solve using the addition method: -12x+6y=-3 3x=4y-1 | x=0.6 y=0.7 |

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