Respuesta :

Answer:

x=11/12

Step-by-step explanation:

-3x+9=3(2x+3)+3(x-4)+1

distribute first

-3x+9=6x+9+3x-12+1

simplify the right side

-3x+9=9x-2

add 3x to both sides

9=12x-2

add 2 to both sides

11=12x

divide both sides by 12

x=11/12

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