X + 7x + 12 + 5x + 3x - 75 + 40 = - 2x + 20 + 5x + 6x - 81?
X + 7x + 12 + 5x + 3x - 75 + 40 = - 2x + 20 + 5x + 6x - 81.
X + 7x + 12 + 5x + 3x - 75 + 40 = - 2x + 20 + 5x + 6x - 81.
En resumen
X + 7x + 12 + 5x + 3x - 75 + 40 = - 2x + 20 + 5x + 6x - 81 16x + 52 - 75 = 9x + 20 - 81 16x + 52 = 9x + 95 - 81 7x = 95 - 133 7x = - 38 x = - 5. 428. x = - 5.
X + 7x + 12 + 5x + 3x - 75 + 40 = - 2x + 20 + 5x + 6x - 81
16x + 52 - 75 = 9x + 20 - 81
16x + 52 = 9x + 95 - 81
7x = 95 - 133
7x = - 38
x = - 5.
428. x = - 5.