21 + 10x - 19 = 7x - 30 - 4x hallar el valor de la x?
21 + 10x - 19 = 7x - 30 - 4x hallar el valor de la x.
10Li2011fa
21 + 10x - 19 = 7x - 30 - 4x hallar el valor de la x.
En resumen
2 - 10x = 3x - 30 32 = 13x 32 / 13 = X 2. 4615384615 = x.
2 - 10x = 3x - 30
32 = 13x
32 / 13 = X
2.
4615384615 = x.
21 + 10x - 19 = 7x - 30 - 4x
entonces - 7x + 4x + 10x = - 30 - 21 - 3x + 10x = - 51
7x = 51
x = 51 / 7.