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  • 1. IDENTITADES
    2. ECUACIONES
    3. OTRAS IGUALDADES

    3 · 7 + 6 = 20 + 7

    2(4x + 5) = 2(4x - 2) + 14

    2x - x = x

    5 + 2 = 7

    6 = -2x

    30 + 8y = -7y

    2x+7=3

    2a + 3a = 5a

    -7 + 3x = x - 3

    5 + 6x = -4 - 3x

    2x + 8x = 10x

    x + 2x - 1 = 3x - 1

    15x + 8x = 23x

    14/2 + 5 · 5 = 29 + 3

    4x + 1 = 5x - 8