Respuesta :

-4.5(x-8.9) = 12.6
-4.5x + 40.05=12.6
-4.5=12.6-40.05
-4.5x/-4.5=-27.45/-4.5
X=6.1
     -4.5(x-8.9) = 12.6
-4.5x + 40.05=12.6
   - 4.5=12.6-40.05
-4.5x/-4.5=-27.45/-4.5

so the answer to this question would be  x=6.1