Respuesta :

x = - [tex]\frac{10}{3}[/tex]

- 4x - 25 = 8x + 15

subtract 8x from both sides

- 4x - 8x - 25 = 15

- 12x - 25 = 15

add 25 to both sides

- 12x = 15 + 25 = 40

divide both sides by - 12

x = [tex]\frac{40}{- 12}[/tex] = - [tex]\frac{10}{3}[/tex]


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