4(x - 2) = 12 - x resolver por favor?
4(x - 2) = 12 - x resolver por favor.
4(x - 2) = 12 - x resolver por favor.
En resumen
4(X - 2) = 12 - X 4X - 8 = 12 - X 4X + X = 12 + 8 5X = 20 X = 20 / 5 X = 4.
4(X - 2) = 12 - X
4X - 8 = 12 - X
4X + X = 12 + 8
5X = 20
X = 20 / 5
X = 4.