Respuesta :

Answer:

Grace's work was done correctly.

Step-by-step explanation:

She expanded the equation and grouped the like terms, then added them together to get the answer.

[tex]6-3x-2\left(6x-8\right)\\=6-3x-12x+16\\3x - 12x = -15x\\= -15x + 6 + 16\\6 + 16 = 22\\= -15x + 22[/tex]

Hope this helps!