Question

hallar X

|7x-12| =5 |4x+3|

Answer 1

Explicación paso a paso:

|7x - 12| = |20x + 15|

$7x - 12 = 20x + 15 \\ - 27 = 13x \\ x = - \frac{27}{13}$

$7x - 12 = - 20x - 15 \\ 27x = - 3 \\ 9x = - 1 \\ x = - \frac{1}{9}$

Respuesta:

Solucion={-27/13 ; - 1/9}