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PREGUNTAS |
| 01) |
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x + y = 14 |
| x - y = 6 |
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| 02) |
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2x - 3y = - 14 |
| 3x + 3y = 39 |
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| 03) |
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- 4x - 4y = 30 |
| 4x + 5y = - 44 |
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| 04) |
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5x + y = 8 |
| 4x + y = 6 |
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| 05) |
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6x + 4y = 14 |
| 6x - 3y = - 21 |
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| 06) |
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3x + 5 = y |
| y - 11 = 6x |
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| 07) |
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| 08) |
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| 09) |
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4x + 0.3y = 16.9 |
| 0.5x - 3y = - 7 |
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| 10) |
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0.2x + 5y = 7 |
| 0.3x + 0.4y = 3.4 |
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| 11) |
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2(x + y) - 4 = 10 - x |
| 0.3x + 0.4y = 3.4 |
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| 12) |
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4x - 2y + 8 = 8y - 6x - 2 |
| 3(x - y +1) = 3y - 2x - 9 |
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| 13) |
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2(x + y) = 3(x - y) |
| 3y = x + 2 |
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| 14) |
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2(3x - 4y) = 38 |
| 3(2x + 3y) + 4 = 5x |
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| 15) |
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| 16) |
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(x - y) - (6x + 8y) = -
(10x + 5y + 3) |
| (x + y) - (9y - 11x) = 2y - 2x |
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| 17) |
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x(y - 2) - y(x -3) = - 14 |
| y(x - 6) - x(y + 9) = 54 |
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| 18) |
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| 19) |
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3x - 4y - 2(2x - 7) = 0 |
| 5(x - 1) - (2y - 1) = 0 |
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| 20) |
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5x - 0.5 = 5y + 0.5 |
| 8y + 3 = 4x + 9 |
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