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Resuelve la ecuación : 5(7 + 4x) - 15 - 8x = 925x - 11 + 2(2x + 3) = 2x + 911 + 7(2x - 1) - 9x = 2(x + 11)6(2 + 3x) + 3(x - 4) = 634(x - 1) + 3(x + 5) = 2x + 417x - 5 = 3(x + 9)?

Resuelve la ecuación : 5(7 + 4x) - 15 - 8x = 92 5x - 11 + 2(2x + 3) = 2x + 9 11 + 7(2x - 1) - 9x = 2(x + 11) 6(2 + 3x) + 3(x - 4) = 63 4(x - 1) + 3(x + 5) = 2x + 41 7x - 5 = 3(x + 9).

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ax² + bx + c = 0

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35 + 20x - 15 - 8x = 92 5x - 11 + 4x + 6 = 2x + 9 12 + 18x + 3x - 12 = 63

20 + 12x = 92 9x - 5 = 2x + 9 21x = 63 12x = 92 - 20 9x - 2x = 9 + 5 x = 63 / 21 12x = 72 7x = 14 x = 3 x = 6 x = 2

4x - 4 + 3x + 15 = 2x + 41 7x - 5 = 3x + 27

7x + 11 = 2x + 41 7x - 3x = 27 + 5

7x - 2x = 41 - 11 4x = 32 5x = 30 x = 32 / 4 x = 30 / 5 x = 8 x = 6.