4x + 1 / 3 = 12x - 3 / 7 y la comprobacion porfavor?
4x + 1 / 3 = 12x - 3 / 7 y la comprobacion porfavor.
4x + 1 / 3 = 12x - 3 / 7 y la comprobacion porfavor.
En resumen
4x + 1 / 3 = 12x - 3 / 7 (4x + 1)7 = (12x - 3)3 28x + 7 = 36x - 9 7 + 9 = 36x - 28x 16 = 8x 16 / 8 = x 2 = x 4x + 1 / 3 = 12x - 3 / 7 4·2 + 1 / 3 = 12·2 - 3 / 7 8 + 1 / 3 = 24 - 3 / 7 9 / 3 = 21 / 7 3 = 3.
4x + 1 / 3 = 12x - 3 / 7
(4x + 1)7 = (12x - 3)3
28x + 7 = 36x - 9
7 + 9 = 36x - 28x
16 = 8x
16 / 8 = x
2 = x
4x + 1 / 3 = 12x - 3 / 7
4·2 + 1 / 3 = 12·2 - 3 / 7
8 + 1 / 3 = 24 - 3 / 7
9 / 3 = 21 / 7
3 = 3.