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# Math Vocab

### math vocabulary words on chap. 4

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

expressions that have the same value | equivalent expressions |

to multiply a sum by a number, multiply each number in the parenthesis by the number outside the parenthesis | distributive property |

each number within a sequence | term |

the numerical part of a term that contains a variable | coefficient |

expressions that contain the same variables to the same power, such as 2n and 5n | like terms |

a term without a variable | constant |

an algebraic expression in simplest form that has no like terms and no parenthesis | simplest form |

to use distribution to combine like terms | simplify the expression |

a mathematical sentence that contains an equals sign | equation |

a value for the variable that makes an equation true, for x + 7 = 19, the solution is 12 | solution |

the process of finding a solution to an equation | solving an equation |

operation that undoes another, such as addition and subtraction | inverse operation |

two or more equations with the same solution, for example x + 7 = 12 and x = 3 | equivalent equation |

an equation that contains two operations | two-step equation |

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