Licensing | What is an equation? |

L1, L3, L4, L5, L11, L12, L13 | It is an algebraic expression of equality. |

L2 | It is the formation of numerical and literal parts where it employs mathematical tools (operations) to find a solution. |

L4 | Defined by an algebraic expression which has equal ×1, ×2, ×3, xn variables which together with the coefficients a1, a2, a3, in that the sum results in an independent term logo is formed equation a1x1 + a2x2 + a3x3 + ... in the b = xn. |

L6, L7, L8, L9, L10, L14 | It is an expression (Equality that has something unknown that is, values) used to find (aims) find the value of an unknown that is something, having solution or not. |

L15 | Equality, like a balance where you have to balance the sides. |

L17 | One way of solving exercises that have lyrics. |

L18 | One way to express a mathematical problem. It is a statement that establishes an equality between two mathematical expressions. |