nine ^(x- one)/(nine ^(x- one)- one)>= thirty-six /(eighty-one ^x- ten * nine ^x+ nine)+ five /(nine ^x- one)
9 to the power of (x minus 1) divide by (9 to the power of (x minus 1) minus 1) greater than or equal to 36 divide by (81 to the power of x minus 10 multiply by 9 to the power of x plus 9) plus 5 divide by (9 to the power of x minus 1)
nine to the power of (x minus one) divide by (nine to the power of (x minus one) minus one) greater than or equal to thirty minus six divide by (eighty minus one to the power of x minus ten multiply by nine to the power of x plus nine) plus five divide by (nine to the power of x minus one)
9(x-1)/(9(x-1)-1)>=36/(81x-10*9x+9)+5/(9x-1)
9x-1/9x-1-1>=36/81x-10*9x+9+5/9x-1
9^(x-1)/(9^(x-1)-1)>=36/(81^x-109^x+9)+5/(9^x-1)
9(x-1)/(9(x-1)-1)>=36/(81x-109x+9)+5/(9x-1)
9x-1/9x-1-1>=36/81x-109x+9+5/9x-1
9^x-1/9^x-1-1>=36/81^x-109^x+9+5/9^x-1
9^(x-1) divide by (9^(x-1)-1)>=36 divide by (81^x-10*9^x+9)+5 divide by (9^x-1)