-9*(x+1)+(-11x+19)=0
-9x-9-11x+19=0
-9x-11x=0+9-19
-20x=-10
x=10/20=1/2
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-9*(x+1)+(-11x+19)=0
-9x-9-11x+19=0
-9x-11x=0+9-19
-20x=-10
x=10/20=1/2