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01) | | x + 4 = 28 |
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02) | | y - 6.5 = 31 |
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03) | | 8z = 40 + 3z |
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04) | | 10x = - 5x + 60 |
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05) | | -15y + 3 = - 36 - 18y |
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06) | | 2x + 4 + (3x - 4) = 3x + 12 |
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07) | | 4(3x + 2) - 8 = 5(2x + 3) + 5 |
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08) | | 15x - 40 - 5x - 20 = 0 |
| | |09) | | 16 - ( - 2x - 4) - (5x - 3x + 2) = - 4x - ( - 8x + 2) |
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10) | | - (7x - 2 + 12) + ( - 5x - 3x + 4) = - ( - x + 7) - (6x - 4 - 7) |
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11) | | - 18 - [ 3(x +2) + 4] = 21 - [ 6( - 2x - 2) + 1] |
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12) | | |
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13) | | |
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14) | | |
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15) | | (x + 7)(x - 3) = x2 + 3x - 16 |
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16)| | (x + 3)(x - 3) = (x + 6)2 |
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17) | | |
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18) | | |
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19) | | 3(x - 2)2(x + 5) = 3(x + 1)2(x - 1) + 3 |
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20) | | |
|RESPUESTAS |
01) | | x = 24 |
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02) | | y = 37.5 |
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03) | | z = 8 |
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04) | | x = 4 |
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05) | | y = - 13 |
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06) | |x = 6 |
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07) | | x = 10 |
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08) | | x = 6 |
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09) | | x = 5 |
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10) | | x = - 1 |
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11) | | x = - 4 |
| | |12) | | |
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13) | | x = 1 |
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14) | | x = - 21 |
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15) | | x = 5 |
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16) | | x = -3 3/4 |
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17) | | x = - 1 |
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18) | | |
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19) | | |
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20) | | |
| PREGUNTAS |
01) | | x2 = 81 |
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02) | | 14x2 - 28 = 0 |
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03) | | (x + 6)(x- 6) = 13 |
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04) | | (2x - 5)(2x + 5) - 119 = 0 |
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05) | | (x + 11)(x - 11) = 23 |
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06) | | x2 = 7x |
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07) | | 21x2 + 100 = - 5...
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