-8*(4x+9)-(2+x)+2*(9+6x)=-32x-72-2-x+18+12x=-21x-74+18=-21x-56=
-21x-56=0/*-1
21x+56=0
21x=-56
x=-2,7
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-8*(4x+9)-(2+x)+2*(9+6x)=-32x-72-2-x+18+12x=-21x-74+18=-21x-56=
-21x-56=0/*-1
21x+56=0
21x=-56
x=-2,7