Question

ejercicio de hallar el valor de x: 2/3x-7/5=1/4x+x

Answer 1

Resolver la ecuacion :
2/3x - 7/5 = 1/4x + x
- 7/5 = 1/4x + x - 2/3x
- 7/5 = (1 x 3)/(4 x 3)x + 12/12x - (2 x 4)/(3 x 4)x
- 7/5 = (3/12 + 12/12 + 8/12)x
- 7/5 = 23/12x
5 * 23x = - 7 * 12
115x = - 84
x = - 84/115