* 5x - 9 = 4(x - 5) * - 4(x - 1) = 2x - 2 * 3(x - 2) = 2(x - 3)?
* 5x - 9 = 4(x - 5) * - 4(x - 1) = 2x - 2 * 3(x - 2) = 2(x - 3).
* 5x - 9 = 4(x - 5) * - 4(x - 1) = 2x - 2 * 3(x - 2) = 2(x - 3).
En resumen
5x - 9 = 4x - 20 X = - 11 - 4x + 4 = 2x - 2 X = 1 3x - 6 = 2x - 6 X = 0.
5x - 9 = 4x - 20
X = - 11 - 4x + 4 = 2x - 2
X = 1
3x - 6 = 2x - 6
X = 0.