12) = 6 - 2x - 3)XCalcular : ?
12) = 6 - 2x - 3) X Calcular : .
12) = 6 - 2x - 3) X Calcular : .
En resumen
12 = 6 - 2x - 3 12 = 3 - 2x 12 - 3 = - 2x 9 = - 2x (9)( - 1) = ( - 2x)( - 1) - 9 = 2x x = - 9 / 2 = - 4. 5.
12 = 6 - 2x - 3
12 = 3 - 2x
12 - 3 = - 2x
9 = - 2x
(9)( - 1) = ( - 2x)( - 1) - 9 = 2x
x = - 9 / 2 = - 4.
5.
